Hikari AccuProbe Hydrometer Goldfish L-Ascorbyl-2-Polyphosphate (source of Vitamin C)

L-Ascorbyl-2-Polyphosphate (source of Vitamin C)

For established systems

the GH-150W is easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob

astaxanthin and premium organic certified kelp

Highly digestible marine proteins are incorporated to increase palatability and digestibility

Hikari AccuProbe Hydrometer Goldfish L-Ascorbyl-2-Polyphosphate (source of Vitamin C)AccuProbeIndividually Calibrated Hydrometer A highly accurate, easy to use, wide range specific gravity meter for marine aquarium use. Designed to eliminate inaccuracy issues common with competitive quick dip hydrometers while helping you take a water sample from a greater depth that is free of the negative impact of surface influences. Durable Construction For Extended Life "Dry Hands" design avoids contamination of aquarium or water Takes a more