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post #8 of (permalink) Old 01-29-2012, 07:07 AM
These pants? are fancy.
mordalphus's Avatar
Join Date: Jun 2010
Location: Seattle, WA
Posts: 7,997
Correct, it lasts about 6 months under the substrate. After which point it'll decrease it's effectiveness.

A bottle a year is more like it. The stuff is cheap, and as an under layer beneath your substrate it can help curb the stripping effect of akadama and other active soils.
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