You can try soaking or rubbing with vinegar. It is safe (assuming the animals are out of the tank at the time), but questionably effective. You can scrape with a straight edge razor blade, but you risk creating scratches that may be as bad as the water spots.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
