Viewing post #1014991 by Nysbadmk8

You are viewing a single post made by Nysbadmk8 in the thread called Microwaving potting mix to sterilize it.

Nysbadmk8

Dec 24, 2015 3:54 PM CST

Name: Peter
Allentown PA (Zone 6b)

I use Gnatnix and just plain Playsand as a topping to control gnats.

Gnatrol, or mosquito dunk are bacteria control products, and are not chemicals.

You want your control product to contain Bacillus thuringiensis. Its completely natural.

I buy these- https://www.amazon.com/dp/B0002568YA/

Its the same product as Gnatrol, but cheaper.

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Last edited by Nysbadmk8 Dec 24, 2015 3:57 PM

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