Mr clean magic erasers. They work wonders. No chemicals in them
Jorge, do you use them both inside and outside of the tank?
Inside and out. Or just windex on outside and towels
Jorge you can't use Windex on acrylic, or at least I pretty sure you can't.
http://www.myreefcreations.com/MRC Aquarium Warranty.pdf
Ya it's even called out in warranties as a do not do.
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