its a bacteria..its used in those mosquito dunks..just do a google search
for "BT +pesticide" its organic

"Melissa" wrote in message
...
Lar saideth:


There is a variety of BT that will be effective on gnat
larvae, or you can repot the plant in "clean" dirt.
water.

BT?

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Yours In Liberty, Melissa - Colorado, U.S.A.