Biosafe 6401-1 GreenClean pH Down Ph Adjuster, 1 Pounds

This product has great value and a great price but the only reason i did not give it a 5 star rating is because it doesn't work as fast as the liquid form

This product seemed to work great for my 250 gallon preformed pond during the extreme heat of summer 2012 in St. Louis where I was constantly adjusting the PH.

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