Two Little Fishies AccuraSea Quaker Nutritional additives: Choline chloride (choline):

Nutritional additives: Choline chloride (choline): 350 mg

Optical Water Level Sensing

amphibians

Vitamin D3 (min) 1

Adjustable mounting clip extends up to two inches (or velcro can be used) so it will work in almost every configuration

Two Little Fishies AccuraSea Quaker Nutritional additives: Choline chloride (choline):AccuraSea Seawater Reference Calibration 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 refractometers and to check the accuracy of swing arm hydrometers. You may also want to use it as a reference for test kits used to measure