Quote:
Originally Posted by scotty82
Your saying that with on a tank with fish, shrimp, plants and everything up and running that you can use the original one to clean the inside of the tank? It just seems that there would be something in a eraser that would mess up the water quality.
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The eraser is basically memory foam. It's the small, abrasive fibers that give it it's cleaning properties, not any chemical solvent.