Hikari Accuprobe Hydrometer FishFoodPetType_Tropical Fish Electrolytes are minerals (magnesium

Electrolytes are minerals (magnesium

Heat-treated and odor absorbing

and even gravel

Overall 16

Helps keep humidity levels up and tank smelling fresh

Hikari Accuprobe Hydrometer FishFoodPetType_Tropical Fish Electrolytes are minerals (magnesiumA 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 "true" water saple at a 6 inch depth, avoiding