Calcite pH filter media for aquarium (1/2 cu ft)
Calcite pH filter media made from calcium carbonate for aquarium use. Slow reaction rate enables controlled pH correction; suitable for 8 GPM backwash and 6 GPM service flow. One user notes it provides value for money and effective pH increase
Highlights
- calcium carbonate-based pH adjustment
- slow reaction for controlled correction
- clear flow-rate guidance for backwash and service
Pros
- slow-acting pH correction
- calcium carbonate composition
- suitable for specified flow rates
- adequate media quantity for tank systems
- perceived good value for money
Cons
- annual replenishment may be needed depending on pH
- requires specific flow conditions for backwashing
- some users note variability in pH adjustment duration
Best For
Features
- Half cubic foot of Calcite (calcium carbonate) pH filter media
- Slow reaction rate enables controlled pH correction
- Backwash requires 8 GPM per sq. ft. of tank area; service flow 6 GPM
- Media quantity fits an 8" x 44" tank system; see product description for other sizes
- Typically requires replenishment annually depending on pH level and water chemistry
