Use as a prep for your tank, before applying the tank sealer (RSP22A). Removes light buildup of rust from inside the tank & leaves a gray phosphate coating. 1 pint should handle up to a 30-gallon tank.
No questions.
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Use as a prep for your tank, before applying the tank sealer (RSP22A). Removes light buildup of rust from inside the tank & leaves a gray phosphate coating. 1 pint should handle up to a 30-gallon tank.
No questions.