NT Labs Procare Glass Cleaner

Finally, no more scrubbing at those stubborn watermarks for ten minutes—a quick spray and wipe and the glass looks crystal clear again. Even the smears from my kids' fingerprints disappeared without any extra effort.

Watermarks on the front pane used to bug me every time the tank lights came on, and this wiped them off with barely any effort. No smears left behind either, which is more than I can say for the old cloth-and-vinegar routine. Tank's never looked this clear.

I’ve tried a few aquarium glass cleaners, but this one actually removes those stubborn water marks without leaving streaks. The spray makes the glass look crystal clear again.