 White circles on glass
Hi everybody,
I have some white circles forming on the back glass and powerheads of my tank. Does anybody have an idea of what this could be?
Some of the circles are almost the size if a quarter others are really small. I hope it's not bad stuff.
Thanks
Noble _________ 54 quarter corner - nova t5 - 3 mj1200 2 w/hydor flo - dual cpr cs90 - cpr cy192 - css220 - quiet one 3000 - 9w turbo-twist uv - mn404 - Galaxia - Torch - White Star Polyps - Maze Brain - Feather Duster - Mushrooms mated false percs - lawnmower blenny - six-line - firefish - pygmy angel - singapore angel - target mandarin - fire shrimp - arrow crab - tongan fighting conch -tuxedo urchin - sand star - sand cuke |