Applied Bio Filter Blaster 32oz - Professional 5-Minute Cartridge & DE Filter Cleaner Scale & Stain Removers Pool Defender™ products are the

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

With algaecides to prevent stains

brown and pink algae

the product title identifies this valve as PVC

add required amount directly into spa water

Applied Bio Filter Blaster 32oz - Professional 5-Minute Cartridge & DE Filter Cleaner Scale & Stain Removers Pool Defender™ products are theProfessional grade Tier 1 spray cleaner that strips away scale, grease, and grime from cartridge and D. E. filters in just 5 minutes. When soaking isn't an option, Filter Blaster delivers instant results. Key Features: 5 Minute Results: Spray and rinse formula works fast for busy pool professionals Dual Compatibility: Cleans both cartridge and D. E. filters effectively Cuts Through Buildup: Melts away oils, minerals, and scale deposits 32oz Trigger