Posted 4/10/2014 06:52 (#3807405 - in reply to #3807366) Subject: RE: Any good tips on preventing algae growth in water tanks?
West Lafayette IN
We put the copper sulfate in our 2500 gallon tanks when they are gonna sit for more than a week. We drain the tank as low as possible. 4 inches of water left in the tank. The we put in a cup of copper sulfate. Seems to work fine.