Sea-Lab Sea Lab #28 Automatic Replenisher .5 lb Jar
- This item is a member of the Sea Lab #28 Automatic Replenisher collection. The following description pertains to the collection and may not be relevant to this particular itemSEA-LAB No.28 Replenisher Block is an automatic replenisher block. It restores and maintains the concentration of calcium, strontium and all trace elements at the same levels found in the sea, automatically.Sea Lab No. 28 Replenisher Block always works, and cannot be overdosed. This is not a slow-dissolve or time-release product. It dissolves only to replace depleted elements.