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

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

For established systems

slim design

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