| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
The CaribSea ARM Reactor Media 3.8L Extra Coarse is a premium aragonite-based media designed for use in calcium reactors. It supplies essential calcium, carbonates, and trace elements to maintain stable water chemistry and support healthy coral growth in reef aquariums. The extra coarse granules improve water flow and reduce clogging, making it a low-maintenance solution for advanced systems.
Extra coarse granules for improved water flow
Rich in calcium, carbonate, and trace elements
High strontium content for enhanced coral health
Low phosphate composition for cleaner water
Precision grading for efficient CO penetration
Designed specifically for calcium reactors
Maintains stable calcium and alkalinity levels
Promotes strong coral skeleton growth
Reduces reactor clogging and maintenance
Improves overall water quality
Provides essential trace elements for reef health
Add media to your calcium reactor chamber
Ensure proper water flow through the reactor
Adjust CO input to achieve desired calcium levels
Monitor alkalinity and calcium regularly
Top up media as it dissolves over time
Replace periodically for optimal performance