Video: Evolution Aqua PURE Marine Product Demo PURE Marine from Evolution Aqua uses groundbreaking technology to maintain crystal clear and healthy water in marine and reef aquariums. PURE Marine is a combination of marine specific bacteria and enzymes that provide many benefits including: Reduces organic waste Maintains a biological equilibrium Improves nitrification Accelerates maturation process Reduces BOD / DOC / TSS* Rapidly restores equilibrium* Reduces filter and skimmer maintenance and cleaning Product Information PURE Marine should be used regularly as part of your maintenance program to maintain the biological equilibrium. PURE Marine can also be used to recover the bacterial balance following a filter crash or to speed up the maturation process in new filters. PURE Marine is a natural product. It is therefore perfectly normal that the balls may vary in size. PURE Marine will respond to the water conditions in each tank. This means that variation in appearance is normal and the rate of change can vary. Each PURE Marine ball is manufactured from a natural polymer and is biodegradable. As with most bacterial products, the manufacturer recommends the addition of air into your tank using an air pump or venturi. Wash hands after use. Keep in a safe place out of the reach of children. If swallowed, drink plenty of water. How do I use PURE Marine? You can use PURE Marine as part of your regular maintenance program. You cannot overdose with PURE Marine. To maintain crystal clear healthy water, add 3 x PURE Marine balls for every 10 gallons of water once per week into your marine aquarium filter. Alternatively, place the balls in a filter bag and position in the tank or the filter in an area with good flow. Alternatively, place the balls in a filter bag and position in the tank or the filter in an area with good flow. Each package contains approximately 50 balls. There are freshwater and pond formulas available as well.