Flex Seal repair on grey tank.
Have any of you used a Flex Seal product to repair a crack in a holding tank?
Forum Discussion
Ralph Cramden wrote:
Just because its colored black means nothing. Alpha Systems tanks are on many RVs. Theyre black and are not ABS, they're HDPE.
ALPHA SYSTEMS
It's really easy to determine ... just wet the tank with Acetone and if it becomes sticky its ABS unless some other material dissolves like ABS to Acetone.
Larry
