Hikari AccuProbe Hydrometer Goldfish Long-lasting Super Algae Scrubbers allow

Long-lasting Super Algae Scrubbers allow for thorough aquarium cleaning without getting your hands wet

For established systems

It’s great for any aquarist but is ideal for the beginner

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

4”x3”x7”

Hikari AccuProbe Hydrometer Goldfish Long-lasting Super Algae Scrubbers allowAccuProbeIndividually 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