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For use with all the Magnum and HOT Magnum canister Filters
Add one teaspoon (5 g) per 65 gallons to raise alkalinity by approximately 1 dKH
- single outlet
Monitoring and maintaining proper magnesium levels is an important part of stabilizing water chemistry values
gasket & lock nut
Hikari AccuProbe Hydrometer Substrate For use with all theAccuProbeIndividually 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