Cart Customer matched zone "US" Remove item Thumbnail image Product Price Quantity Subtotal × Red Sea KH/Alkalinity Pro Test Kit $59.99 Quantity $59.99 × AI Hydra 32/64 Single Arm Kit $90.99 Quantity $90.99 × API Ammonia Test Kit $19.99 Quantity $19.99 Coupon: Apply coupon Update cart Proceed to checkout Cart totals Subtotal $170.97 Shipping Flat rate: $7.99 Shipping to MI. Tax $10.26 Total $189.22 Proceed to checkout