Archivarium 2004

[William]

This weekend, I managed to get my hands on a large (135 gallon) tank. The previous owner used it as a saltwater aquarium. The glass has a thick haze on it. I tried the razor blade treatment on a small patch of the tank, and while I noticed the calcium build-up shaved off, the area was still hazy. I went to the LFS and they suggested CLR.

Any other ideas on how to clean this tank up?

Best regards,

William
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[The Old Salt]

I've used CLR, and was surprised to find that it didn't kill all the fish.

However, it didn't help with the hardwater deposits, either.

I wish I did know a good way to really clean the glass with ease. I've got about 50 tanks that are about useless for anything but breeding, and if I could clean them up they'd be worth something.

[karlas]

Did you try vinegar? Thats pretty good at taking a lot of that film off just be sure to rinse it well afterwards

[Filtration Master]

I agree with Karlas. I have a 85G Marine tank and When I clean my powerheads etc, I let them soak in vigear for bout 30mins. Try the same on the glass.
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[Huntress]

Hey wWilliam, CLR does work, Vinegar does work and so does Kaboom. I've got some and used it on the inside of my new 20g long tank and it did a really nice job. Now all I have to do is figure out what I'm going to do with it. Just make sure you rins it out thoroughly and you should be fine
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[FloridaBoy]

If you're planning on setting that up in your living room, I would be more concerned about leaks than getting the glass clean... I've had bad experiences with used tanks, esp. bigger ones, but that's just me.
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Keepin' marines happy for 25 years