The Planted Tank Forum - View Single Post - Cleaning an old tank
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Old 12-31-2012, 04:20 PM   #10
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White vinegar plus a lemon cut in half. Spray the edges with vinegar, let it set for a few minutes, and then take the lemon and just scrub it on the tank.

Seriously. Lemons. I use them to clean the water marks off my faucets, sinks, and tubs. It works great on glass and I'm 99.9% sure it's nontoxic.
The definition of insanity is doing the same thing over and over again and expecting different results. - Rita Mae Brown

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