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Deposits on Glass
To all who don't recognize me, this is Andy Dilbert, off and on member of
the APD. I'm 16, and setting up my 55 gal to become a plant tank. Right
now it's sitting outside in the rain, because I can't seem to get it clean!
It has deposits on the glass...I think they are SiO2 deposits. I used to
have some fish in there, but I neglected it until the the substrate had
patches of black, and the calcium deposits on the glass were translucent.
I moved all the fish (about 5 tetras....it wasn't heavily stocked!) into a
temporary tank, because the 55gal tank needed serious cleaning. I removed
the calcium deposits with Muriatic (weak HCl) acid, and scraping. But
there still are rings on the tank, in two places: the water line, and
where the water met the sand substrate. How can I clean these deposits off?