Shake well before each use

weak acids formed by oxygen respiration and the decomposition of organic material gradually deplete alkalinity

chemical and bio-chemical filtering function to ensure cleane water

waterproof and insulated

Purit 500ml bacteria Shake well before each useNext Generation Chemical Filtration Media for use in all Marine and Freshwater Aquaria Overview Next generation combination of enhanced activated carbon (offering superior chemical filtrationcharacteristics to traditional activated carbon) and NSF grade ion exchange and adsorptive resinsto enhance removal of impurities such as chloramines, ammonia, nitrate, phosphate, silicate,heavy metals, and dissolved organic material from water. Facilitates