When mixed at a salinity at 1.025 specific gravity it will provide parameters that are approximately:
Alkalinity 7.5 - 8 dKH
Calcium 420 - 450ppm
Magnesium 1250 - 1300ppm
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Spend over £50 on your order and qualify for free shipping. Next day and timed services available.
We offer flexible monthly finance options. Credit is subject to application and status.
As a thank you, we run the Charterhouse Points scheme. Earn points on every order.
Charterhouse Subscriptions takes the hassle out of regular ordering.