“PoolRx Black Booster Mineral Unit 20K – 30K gallons 2-Pack Multi-Pack” has been added to your cart. Continue shopping Product Price Quantity Total × R0658100 GENUINE Zodiac Jandy Pool Automation Power Center 3 HP Relay 6581 $68.60 R0658100 GENUINE Zodiac Jandy Pool Automation Power Center 3 HP Relay 6581 quantity $68.60 × PoolRx Black Booster Mineral Unit 20K - 30K gallons 2-Pack Multi-Pack $82.32 PoolRx Black Booster Mineral Unit 20K - 30K gallons 2-Pack Multi-Pack quantity $82.32 Cart totals Subtotal $150.92 Shipping Shipping costs will be calculated once you have provided your address. Total $150.92 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update