so if you can't find barley straw, then you can just add hydrogen peroxide?
H hubbahubbahehe · Registered Joined Mar 29, 2004 · 742 Posts #4 · Apr 1, 2004 View full thread so if you can't find barley straw, then you can just add hydrogen peroxide?
H hubbahubbahehe · Registered Joined Mar 29, 2004 · 742 Posts #12 · Apr 2, 2004 View full thread I would also like to second the thought that the best defense against algae is healthy growing plants.
I would also like to second the thought that the best defense against algae is healthy growing plants.