Provides boron

Relatively low-nutrient environments are characterized by high water clarity

Internal mechanical chemical and bio-chemical filtering function

depending on the amount of CO2 in the system and the alkalinity

Changes in coloration may take 1 - 4 weeks to appear

Boyu WG-524 iodo Provides boronFeatures: Imitation of the natural zoology. Safe and reliable quality with device inside to prevent overheated. Excellently eliminate protein and organic compounds. Assemble and disassemble easily for cleaning. Instructions for use: Do not connect to any voltage other than showing on the product. Do not pump the water above 40 degree Celsius. Do not let the product from run dry. Disconnect the product from supply mains before putting hands into water.