NKD (Naked) Photometer Phosphate Test Strips 50 Packs Sand changes should be completed

Sand changes should be completed every 5–7 years to keep your filter operating at its optimum efficiency

a Cycle Selector for floor-only

Suitable for both domestic and commercial pools and spas

and crystal clear

NKD (Naked) Photometer Phosphate Test Strips 50 Packs Sand changes should be completedNKD Photometer Phosphate Test Strips (50) Accurate Phosphate Testing for Freshwater Pools & Spas Keep your freshwater pool crystal clear and algaefree with NKD Photometer Phosphate Test Strips, designed exclusively for the Naked Pools Digital Photometer Kit. These highquality strips provide fast, precise phosphate level readings, helping you maintain healthy, balanced water and protect your Naked Freshwater System. Benefits of NKD Phosphate Test