Hikari AccuProbe Hydrometer fluval Fully adjustable flow regulation -

Fully adjustable flow regulation - Fully adjustable flow regulation adjusts performance to a specific aquarium volume

Connection for water outlet hose

and grazing areas for aquatic animals

UV Sterilizers

and is non toxic even if overdosed

Hikari AccuProbe Hydrometer fluval Fully adjustable flow regulation -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