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	White substance
jodecii Hobbyist Posts: 51 Kudos: 26 Votes: 0 Registered: 28-Jan-2006	I was doing a water change this evening and noticed a white powdery substance on my filter cap and on the hood. Does anyone know what that is?
Posted 05-Feb-2006 06:26
Shinigami Ichthyophile Catfish/Oddball Fan Posts: 9962 Kudos: 2915 Registered: 22-Feb-2001	Powder? If it's what I'm thinking of, give it some more time and a more accurate description would be "crust" rather than "powder". You probably just have hard water, and when it gets other places and evaporates, it leaves the other stuff behind, including that annoying white stuff. Just wipe it off to avoid it's build-up and you'll be fine. -------------------------------------------- The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian.
Posted 05-Feb-2006 06:33
FRANK Moderator Posts: 5108 Kudos: 5263 Votes: 1690 Registered: 28-Dec-2002	Hi, Elaborating on what metagon said, it is probably just Calcium Carbonate, and can be easily washed off, if you do it religiously. If you let it build up then you may have to scrape it off, or wash the stuff off with vinegar (a weak acid). I have it on my glass top all the time and use a plastic scrubby and vinegar to clean the glass. Frank -->>> The Confidence of Amateurs, is the Envy of Professionals <<<--
Posted 05-Feb-2006 08:27
Falesha13 Hobbyist Posts: 52 Kudos: 65 Votes: 5 Registered: 21-Jan-2006	Yup, definately sounds like calcium deposits. I have really hard water so I have to battle it all the time.
Posted 05-Feb-2006 10:00
jodecii Hobbyist Posts: 51 Kudos: 26 Votes: 0 Registered: 28-Jan-2006	Oh O.k. thanks everyone/:'
Posted 05-Feb-2006 21:15


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