Red Sea KH Coralline Gro – 500ml

Bring out vibrant, healthy Coralline algae with Red Sea KH Coralline Gro—an expertly balanced blend of carbonate buffers, potassium, iron, and essential trace elements. While Coralline algae will naturally flourish in reef systems optimised for hard corals, fish-only and soft coral tanks often lack the required alkalinity and trace element availability. KH Coralline Gro restores this balance, maintaining stable KH and providing the exact elemental ratio Coralline algae consume, accelerating encrusting growth and enhancing colouration across rockwork and equipment.

 

Key Benefits

• Promotes rapid, natural Coralline algae growth

• Stabilises alkalinity to the ideal ~3 meq/L (8.4 dKH)

• Provides iron, potassium, and trace elements in algae-specific ratios

• Ideal for cycling new tanks and supporting non-SPS reef systems

• Encourages purple/pink encrusting coverage for a mature reef appearance

 

Core Features

• Balanced Carbonate Buffer Complex: Maintains consistent alkalinity tailored to Coralline uptake

• Trace Element Enrichment: Includes iron and minor elements essential for healthy algae development

• Potassium Fortification: Supports metabolic function and pigmentation

• Designed for Non-Hard-Coral Systems: Recommended for fish-only and soft coral aquariums where Coralline growth may lag

• Cycling-Stage Optimised: Use in place of Reef Foundation B during the initial establishment of new marine aquariums

• Test-Driven Dosing: Dose according to alkalinity drop measured with the Red Sea KH/Alkalinity Pro Test Kit

 

Technical Specifications

• Format: Liquid supplement

• Concentration: 1ml raises alkalinity of 100L by 0.1 dKH (0.03 meq/L)

• Recommended Alkalinity for Coralline Growth: ~3 meq/L (8.4 dKH)

• Bottle Size: 500ml

• Usage: Ongoing use in FOWLR and soft coral tanks; cycling phase for all new systems

 

Who is this product for?

• Marine keepers wanting to promote strong Coralline algae growth

• Fish-only and soft coral aquariums lacking trace element replenishment

• New tank setups requiring KH stabilisation during the cycling phase

• Hobbyists aiming for a mature, encrusted live-rock appearance