The Planted Tank Forum - View Single Post - Foggy glass
Thread: Foggy glass
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post #13 of (permalink) Old 05-01-2014, 12:33 AM Thread Starter
Algae Grower
PTrader: (2/100%)
Join Date: Apr 2013
Location: NY
Posts: 101
Nope it's definitely glass. It might be biofilm that hardened like bushkill said. I was just guessing mineral buildup because my well water is extremely hard.
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