Black Unit Algaecide & Mineral Purifier 4-Pack | PoolRx 331067

Protect your pool against algae and cloudiness with the PoolRx Black Unit 331067 (4-Pack), a mineral-powered purification system that delivers pristine, healthy water while dramatically lowering chlorine consumption. The specialized mineral blend steadily dissolves into the water, amplifying chlorine's ability to neutralize bacteria and prevent algae from taking hold. Packaged as a 4-pack, this set is ideal for treating larger pools or servicing multiple bodies of water. Each unit's minerals stay active for up to six months, providing continuous water purification that reduces the effort and cost associated with ongoing pool care. Note: Not intended for use with bromine or biguanide sanitation systems. Specifications Brand: PoolRx Part Number: 331067 SEO Tags poolrx poolrx black unit algacide and mineral purifier 331067 poolrx black unit algacide mineral