United Chemical Cobalt Cure 2lb

United Chemical Cobalt Cure is an extremely effective stain and black spot remover and preventative maintenance solution.

Use for black spots on fiberglass & for spot preventionCobalt Cure is the first product that combines powerful dramatic performance with an economical price. Cobalt Cure will remove cobalt spots without draining.

Cobalt Cure will also stop the recurrence of spots economically when used as a maintenance product. No 2-bottle treatment! No more expensive ascorbic acid! No more draining!

Dramatic performance

Easy preventative maintenance

Success on ALL fiberglass and acrylic spas and pools

Removes black spots

Removes brown, gray, and blue stains

Eliminates the two bottle treatment, expensive ascorbic acid, and draining

Found only in fiberglass pools and Spas. cobalting problems can develop, Cobalt is a metal that's used in the chemistry of fiberglass. Cobalt looks like little black spot~ or a black spider-web. In a spa, it can look like smoke around the air holes. Most people mistake cobalt for black algae. It looks almost identical.. Cobalt is hard and crumbly. Black algae is soft and mushy. If you smear black algae, there will be some green in it. You should use Cobalt Cure on a regular maintenance program.