How do I get get this stain off my tank? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 09-21-2010, 11:45 AM Thread Starter
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Question How do I get get this stain off my tank?

My dad has had a 10 gallon tank sitting in his room empty for about ten years, but he never properly cleaned it after use. I found it the other day and decided to clean it up and use it for myself. I cleaned it and got it mostly clean except for these translucent white stains on the glass I cannot get off no matter what I do. I've tried scrubbing it with many things, but do not want to use too many chemicals. Does anybody recognize this substance, and does anyone know how to get it off???

55 gallon
Paracheirodon innesi - neon tetras
Pantodon buchholzi - African butterfly fish
Hoplosternum littorale - hoplo catfish
Erpetoichtys calabaricus - ropefish
??? - spiny eel
Bunocephalus cf. coracoideus - banjo catfish

Pomacea bridgesii - apple snail
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post #2 of 7 Old 09-21-2010, 12:16 PM
Its hard water build up. Lay the tank on that side and pour vinegar so it cover the stain, then let it sit. It may take awhile and a couple repeats to lighten it up. It probably won't disappear completely, but usually it will become barely noticeable once the tank is filled. Otherwise you can use CLR and rinse the tank REALLY good.

.... I'm probably drunk.

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post #3 of 7 Old 09-21-2010, 08:17 PM Thread Starter
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I've used CLR on it, but I diluted it because I was afraid to use too powerful of chemicals in my tank. I'll try straight CLR on it this time and let it sit like you said and then rinse it really well. Thanks for the help, I hope it works!

55 gallon
Paracheirodon innesi - neon tetras
Pantodon buchholzi - African butterfly fish
Hoplosternum littorale - hoplo catfish
Erpetoichtys calabaricus - ropefish
??? - spiny eel
Bunocephalus cf. coracoideus - banjo catfish

Pomacea bridgesii - apple snail
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post #4 of 7 Old 09-21-2010, 09:10 PM
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CLR was my choice too but I'd be afraid to let it get onto the silicone.

But I may just be a freak :) Hope it works for you.

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #5 of 7 Old 09-21-2010, 10:31 PM
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yucky

if its glass...and you have those stuborn hard to get off hard water deposites try an old fashoned razor blade .....thats right a razor blade...

...........
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post #6 of 7 Old 09-21-2010, 10:53 PM Thread Starter
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I might use CLR and a razor blade if it gets too difficult! Thanks everyone, you're help is much appreciated!

55 gallon
Paracheirodon innesi - neon tetras
Pantodon buchholzi - African butterfly fish
Hoplosternum littorale - hoplo catfish
Erpetoichtys calabaricus - ropefish
??? - spiny eel
Bunocephalus cf. coracoideus - banjo catfish

Pomacea bridgesii - apple snail
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post #7 of 7 Old 09-22-2010, 11:18 PM
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Thans for answering his question. I have a fairly new tank but the water here is so hard that I already have stains on the glass under my light. I was just looking on this forum hoping to find an answer to this very question.
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