Need help?
Follow Us
Your cart is empty
A two-part solution for replenishing calcium and alkalinity. Adjusts calcium, magnesium and strontium ions to Natural Seawater ratios, and achieves a balanced ionic residual. Promotes the optimal conditions for stony corals and coralline algae.
Free Delivery*
Free delivery on orders over £49
Lowest Prices
Found it cheaper? We can price match
Flexible Payment Options
Pay in 3 interest free payments
