Jack's Magic The Iron, Cobalt & Spot Etching Stuff - Stain Solution #1 Size:2 lb it shifts the daily chlorine

it shifts the daily chlorine tasks from your routine to a self-contained cartridge

Using this genuine Pentair replacement ensures reliable drainage

Prevents future algae growth — delivers ongoing protection between cleanings and routine maintenance

delivering efficient filtration with less maintenance

Frog Leap All-Out Algae Preventative 90 Day Pool Protection

Jack's Magic The Iron, Cobalt & Spot Etching Stuff - Stain Solution #1 Size:2 lb it shifts the daily chlorineJack's Magic The Iron, Cobalt & Spot Etching Stuff Stain Solution #1 provides pool owners with an effective way to remove iron, cobalt, and other spot etching stains without the hassle involved with pool drainage or manual scrubbing. Stain Solution 1's unique chemical makeup is non acidic, making it is safe for all pool types, and will not harm your pool's finish. Working within 48 hours, this solution will require only minimal pool rebalancing,