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Natural Chemistry's Spa pH Increaser raises the pH of water in spas
OEM Brand Product Name Part Number Notes Hayward Star-Clear C750 CX750RE Single cartridge per filter Hollibaugh Spas Select Models — Verify dimensions (29 7/16" L × 7" OD × 3" ID) against your existing cartridge before ordering (This is not an exhaustive list
Brush only
OEM Brand Product Name Part Number Notes Strong Industries 20 sq
Pentair Gas Engine Spark Electrodes | ETi & UltraTemp ETi Heater | 476081Z Clarifiers Natural Chemistry's Spa pH IncreaserThe Pentair Gas Engine Spark Electrodes (476081Z) are the OEM replacement ignition electrodes for the Pentair ETi series and UltraTemp ETi gas assisted pool and spa heaters. When the spark electrode fails, the heater's ignition sequence cannot complete resulting in a no heat condition and preventing the burner from firing. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Gas and electrical heater components must be serviced by a licensed pool
