Testing & Maintenance

Instant Ocean's durable, clear acrylic, swing-arm hydrometer is easy to use and read. Full-range results in both salinity and specific gravity with color-blocked "safe zone" to make routine testing quick and accurate. Read more

Nyos Nitrate Reefer: High sensitivity seawater nitrate test kit. Read more

Nyos Magnesium Reefer: High sensitivity seawater magnesium test kit. Read more

Nyos Phosphate Reefer: High sensitivity seawater phosphate test kit. Read more

Need some extra slack to get those water changes done? Easily extend the length of your No Spill Clean and Fill with this 20ft extension. Read more

Need some extra slack to get those water changes done? Easily extend the length of your No Spill Clean and Fill with this 10ft extension. Read more

The Python No Spill Clean and Fill is a complete ready-to-use system which adapts easily to most faucets and makes water changes a breeze. It drains as well as fills aquariums, and will not disturb fish or decor during routine aquarium maintenance. Read more

The Python No Spill Clean and Fill is a complete ready-to-use system which adapts easily to most faucets and makes water changes a breeze. It drains as well as fills aquariums, and will not disturb fish or decor during routine aquarium maintenance. Read more

The Care Booster ensures that the inner cleaning magnet of the Care Magnet floats to the surface as soon as it detaches from the outer magnet. Read more