ghettogrower
- Posts
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- Joined
- Feb 19, 2015
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- 313
Get some sand...few quid for a bag local hardware shop....put a layer about 1cm deep onto of pots larvae can't hatch out and adults can't dig.down to lay eggs I've never used it in the grow room as didn't know about it when I had em but used it on all thr house plants an no gnats whatsoever and a few had them