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  • Gnat barrier top dressing

    Unlike other top dresses that are limited to one phase of control, Gnat Nix! controls gnats at different stages of their lifecycle. Scientifically Proven. Even if the gnat were to lay eggs on them, the eggs would likely dry out before being able to hatch. 5L Gnat Barrier at Bunnings Warehouse. Scientifically proven Growstone® Gnat Nix provides an effective, long-lasting physical barrier against fungus gnats. Top dress houseplants with Beneficial Nematodes to destroy the larvae stage. Below are our top ranked exterminators we've reviewed for each type of pest. Chock-full of beneficial microorganisms and chitin — a naturally occurring polysaccharide found in many organism — it helps plants to defend themselves against pests and pathogens. By top dressing a 1-2cm layer, it limits the ability of larvae to crawl up on the surface, pupate and emerge as adults that would continue to reproduce. I know some love this method, though. However, you have to be patient at first. You can reduce populations of gnats in infested areas with an easy, inexpensive homemade gnat trap. May 26, 2020 · Fungus gnats have also been known to hang out in wall or floor voids, particularly after new construction or when there’s some sort of moisture issue, like a leaky faucet. You could also use a gnat barrier top dressing, which is a non-toxic soil cover that is  10 Dec 2020 To fertilizers and used as a light top dressing called Gnat Nix fixed! Breeding barrier against fungus gnats in house plants it fungus Gnat  Common egg-laying sites include moist organic debris/potting soil, decaying wood (mulch), and ground cover plants. Use beneficial predators (hypoaspis predatory mites) or a biological insecticide containing bacillus thuringiensis that attack fungus gnats. University trials have proved Gnat Nix! used as a top dressing creates an effective physical barrier against fungus gnats Prevents adult emergence from hatching larvae and deters females from laying eggs in the growing media thick layer of Gnat Nix top dressing on the surface of your growing medium in your growing containers. Air pots are a blessing when you get this right, since they allow most of the outer edges to dry properly giving the gnats nowhere to hide. Plenty of ingredients! Transcription: What is up everybody. They don't bite, but are a tremendous nuisance . The Gnat Nix has been tested in Universities and is proven to be an effective top dress on your plants against fungus gnats. Adults measure 1/8 to 1/10 inches long (   May 6, 2020 - Find Yates 4. 2 treatments of azamax 2 weeks apart, a small amount of foliar spraying around the top of the pots and 2-3 yellow sticky traps (aphid/whitefly traps) cleared it right up within two-three weeks. Directions: Apply approximately 1/2"- 3/4" thick layer of Gnat Barrier top dressing to fully cover the surface of the growing medium in your growing containers. Replacing that top inch with sand or gravel creates a dry environment and robs them of nutrient-rich  Get free shipping on qualified Fungus Gnats Pest Control or Buy Online Pick Up in Store today in the Outdoors Department. Trials at Kansas University have shown that used as a top dressing, Gnat Nix! is an effective physical barrier against fungus gnats. com : The Hydroponic City Buddystone Gnat Barrier, Fungus Fungus gnats are tiny bugs in houseplant soil, or flying around plants. granules which provide an effective physical barrier against fungus gnats. Gnat Control Tip. A little sand over the soil can discourage fungus gnats. Build a barrier of food grade diatomaceous earth, wa 17 Jan 2020 Sand Barrier. Re: Preventing fungus gnats larvae with top-dressing soil? #265171 Feb 13, 2018 · Finally, I have had much fewer problems with fungus gnats since I started using top dressing on all my pots. 30 Apr 2012 If you really want to have plants indoors, one of the best ways to avoid attracting gnats is to let the soil dry by keeping the pot outside after  This device is designed to trap and kill gnats and other flying pests. It can also reduce the amount of dust that flies up when you water. com™ The tiny flying adult 26 Nov 2020 Unlike other top dresses that are limited to one phase of control, Gnat diy mosquito repellent, bug repellent of a dumpster top dressing is an  Fungus Gnats (Sciaridae) Substrates that contain a high level of microbial of certain foliar and soil-borne plant pathogenic fungi such as Botrytis cinerea Pers. It prevents adult emergence from hatching larvae and deters females from Insect Shield's EPA-registered insect & mosquito repellent technology provides effective, invisible & odorless protection against mosquitoes, ticks, ants, flies, chiggers and midges. Top Stories DuDress® is an all-in-one composite dressing. Effective wet or dry, at every stage of a gnat’s life cycle. Top & Bottom Sets . The top news for Flower Garden News deliver | EasyBranches. Can be used to grow pollution-free crops. Benefits: • Completely chemical free! 100% recycled glass • Long-lasting material, proven results • Effective indoors or outdoors • Disrupts the complete insect life cycle, from larva to adult University trials have proved Gnat Nix! used as a top dressing is an effective physical barrier against fungus gnats. It also offers the  Fungus gnats, also know as fungus flies and Sciarid flies, are tiny insects whose larvae feed in damp soil rich in organic matter. Quickly compare options with our Comparison Chart (at right). Unlike Insect barriers are made of porous fabric with a mesh sufficiently small to exclude certain insects, preventing them from damaging or otherwise interfering with a crop, without excluding light and rainfall. Unlike other top dresses that are limited to one phase of control, Gnat Nix! Directions: Apply approximately 1/2"- 3/4" thick layer of Gnat Barrier top dressing to fully cover the surface of the growing medium in your growing containers. Shop for Insect Shield Hiking Pants at REI - FREE SHIPPING With $50 minimum purchase. It’s BrownGuy420 here, solo farms. This acts like sand or diatomaceous earth at keeping the gnats inside and the soil to die as the turn to adults. It's almost as if you have created a fungus gnat vacation resort, when all you really want to do is grow plants. First, Gnat Nix creates a physical barrier that limits larvae mobility. Gnat Nix! is: Non-toxic, chemical-free fungus gnat control Long-lasting top dressing Effective under dry or moist conditions Great indoors – outdoors Scientifically Proven University trials have proved Gnat Nix! used as a top dressing is an effective physical barrier against fungus gnats. Irrigate gently to avoid disturbing the protective physical barrier of Gnat Nix! How to use Gnat Nix! fungus gnat control All you need to do is apply a ½" to ¾" thick layer of Gnat Nix top dressing on the surface of your growing medium in your growing containers. Unlike other top dresses that are limited to one phase of control, Gnat Nix! controls  Jul 5, 2020 - Amazon. I don't think the gnats are a big issue but if they are you could either use some sort of top dressing or use mosquito bits in your soil. Treatments for Fungus Gnats. The soil is usually full of organic matter, then you keep it constantly moist, and it's the perfect environment for fungus gnats to live and reproduce. I've used a half-inch layer of sand for  Gnat Nil prevents Fungus Gnat (Sciarid Fly) adults emerging from hatching larvae and deters females from laying eggs in moist soil, potting mix or coco peat. Kills ants, cockroaches, spiders, fleas, ticks, scorpions, beetles, earwigs, silverfish, centipedes, millipedes, and other insects as listed. Wetting Agent, No. For to many years gardeners have dealt with fungus An insect trap with a light or vacuum fan requires a power source to operate. Like all Buddystone products, Gnat Barrier is made in the USA from 100% recycled glass. While a wet soil can be a haven for  Fungus gnats only lay their eggs in the top inch of soil. Unlike other top dresses that are limited to one phase of control, Gnat Nix! controls gnats at different points of their lifecycle. Get the science behind Gnat Nix! Gnat Nix! is a scientifically--proven fungus gnat control product manufacturel by Grostone. Controls gnats at different points of their lifecycle By interrupting the lifecycle, population is greatly reduced Prevents adult emergence from hatching larvae A new product offers nontoxic, chemical-free fungus gnat control. Jan 05, 2019 · sand. Jul 28, 2020 · Create a trap to catch the gnats using vinegar and dish soap. can be inserted into the soil of houseplants to catch regular gnats and the el How to choose digging tools Find Yates 4. Gnat Nix! is: • Chemical-free fungus gnat control • Long-lasting top dressing • Effective under dry or moist conditions • Great indoors - outdoors Scientifically Proven University trials have proved Gnat Nix! used as a top dressing is an effective physical barrier against fungus gnats. This prevents the arrangement from shifting very much over time. used as a top dressing creates an effective physical barrier against fungus gnats. The good news is that fungus gnats aren’t very tough. This sale of Growstone Gnat Nix is for a 9 liter or 8. Gnat Nix! is: • Non-toxic, chemical free fungus gnat control • Long-lasting top dressing • Effective under dry or moist conditions • Great indoors - outdoors. Our cover cropping and composting […] Gnats don't. 1 Feb 2019 Fungus gnats - specifically their larvae and the adult flies - can destroy Top dressing creates an effective physical barrier against fungus gnat  2 Mar 2015 Gnat Nix discourages egg-laying by creating a physical barrier over the soil and keeping the surface dry. Trials at Kansas University have shown that used as a top dressing, Gnat Nix!™ is an effective physical barrier against fungus gnats. This long-lasting top dressing is the best when it comes to non-toxic fungus gnat control. Applications (For best results, use dechlorinated or R/O water in all instances) Use Insect Frass as a soil amendment and or a foliar spray. 3 cm) of apple cider vinegar into a clean plastic cup. Jan 11, 2018 · The biological larvicide Bti* (Bacillus thuringensis israelensis), a bacterium usually used to manage mosquitoes, will help control fungus gnat larvae as well. to be quite effective in creating a physical barrier between the gnats and soil. It's easy to use, keeps the gnats away, and has an  13 Jun 2018 used as a top dressing is an effective physical barrier against fungus gnats. Some are battery-operated, while others must be plugged into an outlet. The top dressing limits the ability of larvae to crawl up on the surface, pupate and emerge as adults that would continue to reproduce. Scientifically Proven University trials have proved Gnat Nix! used as a top dressing is an effective physical barrier against fungus gnats. Sep 03, 2016 · Growstone’s Gnat Nix is made from 100% recycled glass that creates a barrier against pesky gnats in several ways. Unlike other top dresses that are limited to one phase of control, Gnat Nix! controls  For best results, place one trap in each infested plant and in all other plants in the same room and nearby rooms. 2 Pounds. The top dressing help keeps the soil in place when watering. Yes, that's right, fungal gnat larvae live in your plant pots. Like all Growstone products, Gnat Nix! is made in the USA from 100% recycled glass. Use sand or gravel to dress the soil. Check back often for new products and cross dressing supplies. Curbside Pickup Available NOW! 100% Satisfaction Guarantee Feb 23, 2020 · Fungus gnats have always been an issue when growing in living organic soils. trials at Kansas State University have shown that used as a top dressing, Gnat Nix! is a an effective physical barrier against fungus gnats. Jul 31, 2017 · If you remove the infected root zone’s top layer and replace with fresh, sterile material such as rockwool or perlite, you remove most if not all of the fungus gnat larvae. By creating a barrier between the soil and the air, NO-GNATS inhibits the ability to lay eggs in the soil and for the fungus gnat larvae to escape. All you need to do is apply  5 Apr 2015 First, Gnat Nix creates a physical barrier that limits larvae mobility. Usually found in the top 10cm of soil the larvae feed on a range of organic  9 Apr 2015 Fungus gnats, in general, are ubiquitous in greenhouses [7] but are plants to attack from soil-borne plant pathogens by creating wounds, which allow Physical barriers do not reduce insect pest populations immediatel Grass gnats, common gnats and lawn gnats - the kind of gnat that gather in swarms usually around sundown. Mosquito Bits, a favorite  used as a top dressing is an effective physical barrier against fungus gnats. Unlike other top dresses that are limited to one phase Trials at Kansas University have shown that used as a top dressing, Gnat Nix! is an effective physical barrier against fungus gnats. Gnat Off! is free from  27 Feb 2019 They prefer the top three inches of soil so you won't have to dig far to find eggs and larvae. Stir in 2 drops dish soap using a spoon so that the two ingredients are well combined, and place transparent tape over the top of the cup so it’s entirely covered. Just make sure to apply a 1/2″-3/4″ thick layer of Gnat Nix! top dressing to fully cover the surface of the growing medium in your containers. Gnats may be deterred from laying their eggs if  Trials at Kansas University have shown that used as a top dressing, Gnat Nix is an effective physical barrier against fungus gnats. University trials have proved Gnat Nix! used as a top dressing creates an effective physical barrier against fungus gnats. Gnat Nix! is the only scientifically proven, environmentally friendly fungus gnat control product on the market. Australian Standard - Regular (Black Ticks), No. They live in soil or potting compost. In theory, the layer of sand or pebbles will remain relatively dry despite waterings. Non-toxic to all other wildlife, pets, fish, and humans. Jeans. Life Stage: Adult Stage; How to Use: Add a 1/2" layer to the top of your soil. Gnat Nix! controls gnats at different points of their lifecycle, preventing adult emergence from hatching larvae and deterring females from laying eggs in the growing media. Gnat Nix! controls gnats at different points of their lifecycle, preventing adult… As I inspect and repot my houseplants in early spring, I often find plants that seem to fall “in the middle,” not quite needing repotting but still wanting some attention. Scientifically-proven Gnat Nix provides an effective, long-lasting physical barrier against fungus gnats. Battery-operated insect traps tend to have dimmer lights and weaker fans. The barrier is typically ½ to 1 inch thick (depending on product, soil type, and method of incorporation). You can also try mosquito dunks, you just break them up and put them on the soil surface it doesn't harm the plants but the gnats go by by. Step 2: Carefully dispense the granules on top of the potting mix, making sure to   The Hydroponic City Buddystone Gnat Barrier, Fungus Gnat Control - 2 Liter The water can't evaporate out of the top of the soil when it's covered with this stuff. Unlike other top dresses that are limited to one phase of control, Gnatnix controls gnats at different points of their life cycle. Place on top of potting mix. Available in a range of widths and lengths to suit a variety of applications. Potting media formulated for houseplants is the best choice for indoor p. Fungus gnats like all the organic matter in the soil. Since fungus gnats lay eggs in the top few inches of the soil, dressing the top of the soil with sand or gravel can help to prevent them from moving in. Baking Soda Is A Gardener's Best Friend – Here Are 14 Nifty Uses In The Ga used as a top dressing creates an effective physical barrier against fungus gnats. It also kills fungus gnats within 24 hours after a single top-dress application. Gnat Nix controls gnats at  Fungus gnats are tiny bugs in houseplant soil, or flying around plants. Nematodes are microscopic round worms that penetrate fungus gnat larvae, as well as harmful lawn and garden grubs, fleas, and other soil-borne pests (they do not harm earthworms), then release a bacterium that consumes the pest from the inside out. Gnat Nix discourages egg-laying by creating a physical barrier over the soil and keeping the surface dry. Source: Growstone Gnat Nix Another possibility is to make the surface soil unfit for fungus gnat larvae. Nov 09, 2020 · Top dressing potted plants with a 1-2 inches of coarse sand or small pebbles actually seems like a great way to deter adult fungus gnats from laying eggs. is to place sand or diatomaceous earth on top of the media to create Let the top inch or two of soil dry out before watering again, and try to go as long as possible between waterings. This gnat control is made from 100 percent recycled glass and is free of harmful pesticides and chemicals. Make sure the entire top surfaces of all your growing containers are fully covered at all times. Used as a top dressing, it interrupts gnats’ lifecycles by preventing adult emergence from hatching larvae and deterring females from laying eggs in the growing media. All you need to do is apply approximately 1/2 - 3/4-inch thick layer of Gnat Nix top dressing to fully cover the surface of the growing medium in your growing containers. , the address on file for this trademark is 491 Yorbita Rd, La Puente, CA 91744 Apr 05, 2015 · Growstone’s Gnat Nix is made from 100% recycled glass that creates a barrier against pesky gnats in several ways. Significantly reduce the use of chemical pesticides. Non-adherent absorbent center pad, adhesive border, soft gauze and film top for barrier protection. Our insect repellent clothing is available for men, women, children & pets, and we can treat your own clothes with Insect Shield for you. Netting and Barriers. It?s effective under dry or moist conditions, and works both indoor and out. Make sure the entire top surfaces of all your plants are fully covered at all times. It creates a physical barrier that keeps the adults from being able to lay their eggs in the potting mix below. Herbicides do not prevent weeds from germinating; instead they control weeds as they germinate within the chemical barrier. We’re going to talk a little about No Til and what the process is with that. Unlike other top dresses that are limited to one phase of control, Gnat  22 Oct 2020 Recommended Reading: Best ways to get rid of house flies Female fungus gnats deposit their eggs on the moist soil or decaying matter. Gnat Nix! I see no problem covering Gnat Nix with landscaping stones for a better look. Unlike The adult gnats lay their eggs on moist media, and by having a top layer of sand they won't lay their eggs there. Fungus gnat Natural pest control at its best! Gnat Nil is Apply 1-2cm la A physical barrier can also be created to stop the adults accessing the soil to lay their eggs. on. The gnats will be attracted to the vinegar but will be trapped by the soap. Nightwear Kibiriumm Repel Insect Barrier 400ml Sarees Online Women's Kurtas & Kurtis Dress Materials Women's Dresses Ethnic Gowns Shop for professional cross dressing supplies, including clothing, silicone breast forms, hip pads, shoes, drag queen wigs, lingerie, and more! Plus, you’ll find many DressTech exclusives, including our famous silicone hip pads and Proform breast forms. Mulch thickly over the top layer of soil with stones, gravel and small  2 Aug 2019 Overwatering can also lead to weakness or rot in plant roots, making them “soft targets” for fungus gnat larvae. Also you keep them from laying eggs on the grow medium. Make a solution and use it to drench the potting soil. In cases like this, top-dressing is a great alternative to repotting, and it's quite easy. Jul 26, 2019 · If you use monthly top dress or teas w/e you may see a slight foot hold in gnats but they won't last long with this method, a week tops. 2 quart bag. Read Related Reading: How and when to fertilize succulents. Introducing new mulch and top soil will imports mosquito, fly and gna A physical barrier could be placed on the surface of the growing medium to Significantly fewer fungus gnat adults emerged in the top-down experiments the biodegradation of some organochlorine insecticides in submerged soils Soil Usually found in the top 10cm of soil the larvae feed on a range of organic matter including plant roots, soft seedling stems and the base of cuttings. Mosquito Control Kills Mosquitoes Before They’re Old Enough To Bite!® The only product with BTI, a bacteria toxic only to mosquito larvae, that lasts 30 days and treats 100 square feet of surface water. Some have suggested turning the top few inches of soil and adding But you can also lay the sheet on the surface of the soil to create a ba disease-interactions associated with fungus gnats and foliar and soil-borne Physical barriers do not reduce insect pest populations immediately, which is  Fungus gnats are small flies that infest soil, potting mix, mulch and other at the root level of mulched beds where the 21-Day Barrier spray will not penetrate. jpg. Watch the video below to see the difference adding a top dressing can make when you’re cleaning up a succulent arrangement! Mar 01, 2011 · It works as a soil drench by starving the soil borne larvae. Lice and their eggs yates Gnat Barrier is made from natural Fungus gnats, also known as sciarid flies, are associated with damp composts especially in house plants and seed trays. ©2018-2020 Central Garden & Pet Company. (George Weigel) Q: I've been noticing lots of little flying bugs that look like gnats all over some of my houseplants. A new product offers nontoxic, chemical-free fungus gnat control. Perlite is of no use for them it just makes their life a little more difficult. Jan 11, 2018 · By covering the soil with sand or small stones (here: Growstone Gnat Nix top dressing, made from recycled glass), you can eliminate fungus gnats. I have used decorative sand or pebbles to do this, but it isn’t my favored method. They’ll block aphids , potato beetles , Japanese beetles , grasshoppers , leaf miners , cabbage worms , root maggots , and some vine borers . How it works: Gnat Nix! controls gnats at different points of their lifecycle Growstone's Gnat Nix is made from 100% recycled glass that creates a barrier against pesky gnats in several ways. Unlike other top dresses that are limited to one phase of control, Gnat Nix! naturally discourages fungus gnats from egg laying. A layer of decorative gravel at least an inch thick. University trials have proved Gnat Nix! used as a top dressing creates an effective physical barrier against fungus gnats Prevents adult emergence from hatching larvae and deters females from laying eggs in the growing media Get free shipping on qualified Fungus Gnats Pest Control or Buy Online Pick Up in Store today in the Outdoors Department. Pour about 0. Organic Nutrients Insect Frass (2-2-2, plus silica) is a well balanced, 100% vegan fertilizer made from the excrement and exoskeletons of bugs. MOSQUITO & GNAT BARRIER. Gnat Nix! is: Non-toxic, chemical-free fungus gnat control Long-lasting top dressing Effective under dry or moist conditions Great indoors – outdoors Scientifically Proven University trials have Gnat Nix! is a recycled glass material that you can topdress onto any plant. If you prefer, you can put the solution in a jar, and punch some small holes in the jar lid. It prevents the  The glass is ground, milled, and baked and provides a physical barrier when added to the top of the plant soil. Gnat Nix! is: • Non-toxic, chemical free fungus gnat control • Long-lasting top dressing • Effective under dry or moist conditions • Great indoors - outdoors Scientifically Proven University trials have proved Gnat Nix! used as a top dressing is an effective physical barrier against fungus gnats. Great STEP-BY-STEP walk through on how to create an insect barrier to keep insects away Create an indoor bug barrier against all listed common household insects with Ortho Home Defense Max Indoor Insect Barrier. The top dressing limits the ability of larvae to crawl up on the surface, pupate  10 May 2018 Gnat Nix is made from crushed glass and used as a top dressing on plants creating a barrier against the fungus gnats. It prevents adult emergence from hatching larvae and deters females from laying eggs in the Insect Protective Agfabric Garden Netting, Mesh & Covers for sale, The insect net can basically block all kinds of insects, mosquitoes, pieris rapae, plutella xylostella, cabbage moth, prodenia litura, achillea, ape leaf insects, aphid. Irrigate gently to avoid disturbing the protective physical barrier of Gnat Nix! Top dress neem/karanja cake Beneficial nematodes Captain jacks, neem oil, agsil16h, eucalyptus oil, rosemary oil: spray as needed After all these measures the gnat problem is worse than ever and I've sprayed enough so I'm looking for some other methods to keep them at bay and was wondering if anyone had any experience. Fortunately, most weed seed germinate in the top ½ inch of the soil. N. However, you can place a battery-operated insect trap anywhere without worrying whether there is an outlet nearby. 11 Jan 2021 We've compiled a list of the Best Where To Buy Gnat Stix of 2019 to Overwatering or constantly damp soil is the perfect environment for fungus gnats. I've used a half-inch layer of sand for years using the same principle, and that's been a Dec 17, 2020 · 5. Gnat Nix!™ controls gnats at different points of their lifecycle, preventing adult emergence from hatching larvae and deterring females from laying eggs in the growing media. MORE Garden & Home Versatile plant protection without the use of […] Mar 04, 2019 · Chitinase kills root-feeding nematodes and all plant-chewing insects. Trials at Kansas University have shown that used as a top dressing, Gnat Nix is an effective physical barrier against fungus gnats. Put out a bowl of vinegar and add a few drops of dish soap. All trademarks are either the property of Central Garden & Pet Company, its subsidiaries, divisions, affiliated and/or related companies or the property of their respective owners. It prevents adult emergence from hatching larvae and deters females from laying eggs in the growing Gnat Nix is the only scientifically proven, environmentally friendly fungus gnat control product on the market. Irrigate gently to avoid disturbing the protective physical barrier of Gnat Nix. 5 in (1. 13 Dec 2020 The Stratiolaelaps scimitus seeks out fungus gnat larvae and other insects. They will chew the roots of plants   used as a top dressing is an effective physical barrier against fungus gnats. Unlike Gnat Barrier is a Trademark by The Hydroponic City Inc. Sep 07, 2017 · BrownGuy420 talks about cover cropping with crimson clover, then composting that into the soil with hay and other top dressing ingredients. Safe for aquaponic and hydroponic systems. I had bad gnats at one point using all organic soil/nuts. Whether you grow … It's not just free of harmful  Trials at Kansas University have shown that used as a top dressing, Gnat Nix is an effective physical barrier against fungus gnats. Feb 13, 2018 · Finally, I have had much fewer problems with fungus gnats since I started using top dressing on all my pots. Jan 22, 2021 · Garden fabric will keep most insect pests away from your crops as long as plants are completely covered and the edges are securely pinned to the ground. You can also try top-dressing the soil with Gnat Nix, a recycled glass material that looks a bit like perlite. Frequency: Once flying gnats are seen. houseplant2. University trials have proved GnatNix used as a top dressing is an effective physical barrier against fungus-gnats. They can  7 Nov 2014 Gnat Nix! from Growstone is a top dressing made of recycled glass that creates a barrier interrupting the gnats' life cycle. It prevents adult emergence from hatching larvae and deters females from laying eggs in the Insect barriers are made of porous fabric with a mesh sufficiently small to exclude certain insects, preventing them from damaging or otherwise interfering with a crop, without excluding light and rainfall. You can get  Available on Android and IOS. Fertilizer Enriched, No. Gnat Nix! from Growstone is a top dressing made of recycled glass that creates a barrier interrupting the gnats’ life cycle. Australian Standard - Premium (Red Ticks)   Step 1: Always use gloves and a dust mask when applying Yates Gnat Barrier. Here's how. It does this by creating a physical barrier over the soil and keeping the surface dry. University trials have proved Gnat Nix! used as a top dressing is an effective physical barrier against fungus gnats.