Hikari Accuprobe Hydrometer Kennels Gates & Doors Stimulates natural digging and burrowing

Stimulates natural digging and burrowing behavior

Developed to bring out the true colors goldfish are known for

It's small

Anodized aluminum won't rust

and promotes clean and healthy teeth

Hikari Accuprobe Hydrometer Kennels Gates & Doors Stimulates natural digging and burrowingA 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