Continue shopping “ORIGINAL PoolRx 20K-30K Pools Black Mineral Unit – 4 Pack” has been added to your cart. Product Price Quantity Total × ORIGINAL PoolRx 20K-30K Pools Black Mineral Unit - 4 Pack $274.99 ORIGINAL PoolRx 20K-30K Pools Black Mineral Unit - 4 Pack quantity $274.99 Cart totals Subtotal $274.99 Total $274.99 Proceed to checkout — OR — Coupon: