Crystal Sea Salt Size:150 gallon Mixture (43 lbs 8 oz) The freeze control is optional

The freeze control is optional equipment for the Koenders Windmill

pebble by pebble

nitrate and hardness) on one strip

If you're aerating an earth pond

Crystal Sea Salt Size:150 gallon Mixture (43 lbs 8 oz) The freeze control is optionalNo ammonia, nitrate, phosphate, silicate or EDTA added. Attains a proper pH of 8. 3 upon hydration. Contains chlorine remover. Salt, like fish food, is not all the same! This product is a perfect mixture of essential compounds and trace elements to make seawater (contains no anti caking agents). Use it with confidence when setting up any saltwater ecosystem. Crystal Sea is preferred by many public aquariums, universities, biological research