The Planted Tank Forum - View Single Post - ~Explanation of how a drop checker works~
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post #22 of (permalink) Old 03-05-2012, 09:27 PM
Algae Grower
Join Date: Aug 2011
Location: Somerville, MA
Posts: 7
I have been using the RedSea drop checker which does not come with a reference solution. My tap water is about 3-4 degrees KH so I have just been using tap water.

Should I get a new drop checker which actually comes with reference solution?
musicjeremy is offline  
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