Crystal Cal Activated Carbon for Aquariums, 1 gallon
Activated carbon designed for aquarium use, providing rapid water clarity and odor removal. Users note good value and effective filtration, though some report dust and rinsing needs
Highlights
- laboratory-grade carbon
- fast results for clarity and odor
- large granules for strong flow
Pros
- lab-grade granular activated carbon
- large granules for good water flow
- eliminates colors and odors quickly overnight
- high-quality standards (FCC-compliant)
- suitable for any filter media bag
Cons
- mixed feedback on dust removal
- varied opinions on rinsing requirements
- inconsistent on size and durability
Best For
Features
- Contains 3 lbs (1.3 kg) activated carbon for quick clarity improvement
- High performance laboratory grade granular activated carbon with aquarium-grade pore structure
- Works in all filters with large granules that allow good flow in media bags and canisters
- Use 1 cup per 50 gallons (1 tablespoon per 3 gallons); replace every 2–4 weeks with a brief rinse
- Food Chemicals Codex (FCC) standards conformance for quality and safety
