Aquavitro Shrimp pHb Conditioner for Aquariums Size:350ml The highly reflective stitching provides The highly reflective stitching provides night time visibility while box stitched joins and high quality webbing add strength Because of the fine pore structure Aquavitro Shrimp pHb Conditioner for Aquariums is one part of a two part system which aids in replicating the water chemistry found in the native habitats of freshwater shrimp by buffering water to the natural pH for each specific type of shrimp shrimp pHb maintains the proper pH parameters of freshwater shrimp while also softening water and supporting growth of plants in shrimp aquaria