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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Premium quality sponge filter
it is not advisable to raise magnesium by more than 100 ppm per 24 hours
Add one teaspoon (5 g) per 65 gallons to raise alkalinity by approximately 1 dKH
For use with all the Magnum and HOT Magnum canister Filters
Hikari AccuProbe Hydrometer Substrate Premium quality sponge filterAccuProbeIndividually 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
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