Jack's Magic Power Blue Scale Off - 32 oz PARTS - SPA JETS & FITTINGS Works with all metal-based algaecides

Works with all metal-based algaecides

Container's measures 8-1/9-inch length by 5-2/5-inch width by 3-2/7-inch height

Numerous features are included with the “CR2” Valve including a proprietary designed Hastelloy Spring

Pool Defender™ products are the simple way to guard the entire pool

3/4" Shaft Seal For use on the following pumps: Hayward Max-Flo

Jack's Magic Power Blue Scale Off - 32 oz PARTS - SPA JETS & FITTINGS Works with all metal-based algaecidesSCALE OFF is a revolutionary new product to remove calcium carbonate scale and efflorescence. It is designed specifically to solve one of the worst swimming pool area maintenance problems.