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Some people swear by UC Roots, while others say to use pool shock as a cheap alternative. But pool shock/bleach is actually slightly different than hypochlorous acid (HOCL, the stuff in UC Roots). But, without going into that rabbit hole of a discussion regarding the two, it seems like recent events have made HOCL readily available, so it appears that you can actually make your own nearly identical solution for cheap.
UC Roots ( 0.028% HOCL solution) (SDS says <1% HOCL and 99% water...
UC Roots vs. HOCL 500
UC Roots ( 0.028% HOCL solution) (SDS says <1% HOCL and 99% water...
UC Roots vs. HOCL 500
from Hydroponics / Aeroponics
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