SEA-LAB No.28 Replenisher Block is an automatic replenisher block. Sea Lab No. 28 Replenisher Block always works, and cannot be overdosed. Sea Lab 28 restores and maintains the concentration of calcium, strontium and all trace elements at the same levels found in the sea. This is not a slow-dissolve or time-release product. It dissolves only to replace depleted elements. Sea-Lab 28 is for saltwater aquariums only.
Supplies all essential trace elements
Maintains a constant supply of calcium and strontium
Stabilizes Acid-Alkaline Balance (pH)
Prevents toxic ammopnia buildup
1 kilo block treats 100+ gallons.
Sea Lab #28 Automatic Replenisher - 24 Large Blocks
SEA-LAB No.28 Replenisher Block is an automatic replenisher block. Sea Lab No. 28 Replenisher Block always works, and cannot be overdosed. Sea Lab 28 restores and maintains the concentration of calcium, strontium and all trace elements at the same levels found in the sea. This is not a slow-dissolve or time-release product. It dissolves only to replace depleted elements. Sea-Lab 28 is for saltwater aquariums only.
Supplies all essential trace elements
Maintains a constant supply of calcium and strontium
Stabilizes Acid-Alkaline Balance (pH)
Prevents toxic ammopnia buildup
2 lb box contains 24 large blocks (3-4 blocks per 50 gallons)
SEA-LAB No.28 Replenisher Block is an automatic replenisher block. Sea Lab No. 28 Replenisher Block always works, and cannot be overdosed. Sea Lab 28 restores and maintains the concentration of calcium, strontium and all trace elements at the same levels found in the sea. This is not a slow-dissolve or time-release product. It dissolves only to replace depleted elements. Sea-Lab 28 is for saltwater aquariums only.
Supplies all essential trace elements
Maintains a constant supply of calcium and strontium
Stabilizes Acid-Alkaline Balance (pH)
Prevents toxic ammopnia buildup
.5 lb jar contains 50 small blocks (add 2-3 blocks per 10 gallons of water)