WATER STAIN ON TANK???????
SORRY LOOK AT OTHER POST 1ST TIME ON HERE THANK YOU....
BUYT I HAVE A 100 GALLON TANK WITH A WHITE CRUSTY RESIDUE THAT WILL NOT COME OFF I TRIED A RAZORBLADE I TRIED LIME-AWAY STILL NOTHING????????????????????????????HELP
SORRY LOOK AT OTHER POST 1ST TIME ON HERE THANK YOU....
BUYT I HAVE A 100 GALLON TANK WITH A WHITE CRUSTY RESIDUE THAT WILL NOT COME OFF I TRIED A RAZORBLADE I TRIED LIME-AWAY STILL NOTHING????????????????????????????HELP