Two Little Fishies AccuraSea 250mL Pumps Expert Use:This product is only

Expert Use:This product is only meant for use by advanced hobbyists that are familiar with Kalkwasser

without harming delicate pond fish or aquatic plants

whereas marine aquaria employing protein skimming may benefit more from only occassional carbon use

as well as the ability to sync groups of lights

Two Little Fishies AccuraSea 250mL Pumps Expert Use:This product is onlySeawater Reference and Calibration Solution. Two Little Fishies AccuraSea allows you to measure and calibrate your salinity precisely. Two Little Fishies AccuraSea Seawater Reference Solution is the only calibration solution of its kind made from real seawater. Its pure natural seawater micron filtered and UV sterilized then adjusted with reverse osmosis water to match the standard S 35 or 53 ms cm at 25C (77F). Use it to accurately calibrate seawater