Part C Magnesium

Our Coral Essentials - Part C Magnesium is a concentrated source of liquid magnesium, 100,000 ppm (mg/L). Coral take up magnesium into their calcium carbonate skeletons. It is important to maintain adequate magnesium levels as this is essential in maintaining correct calcium and alkalinity levels. Poor magnesium levels usually result in the need for addition of much higher levels of calcium and carbonate than would normally be required. It serves to prevent the excessive precipitation of calcium carbonate from aquarium water. The magnesium levels in marine tanks need to be checked regularly to determine the take up in your system. Magnesium usage can be calculated by testing at regular intervals to see how much the level drops. Then it is simple to calculate dosing requirements to suit the depletion rate. After you have determined this, a regular check of the magnesium levels should be made. Your tank will change over time as coral grows, new pieces are added as well as most other aquarium inhabitants also take up magnesium. We have found ideal magnesium levels to be at about 1350-1400ppm for most aquariums.

Coral Essentials Dosing Calculator

Dosage rate: 5ml will raise the magnesium levels by 5 ppm (mg/L) for each 100L of tank water.

What Our Clients Are Saying

"I've been using the range of Coral Essentials products for the last couple of months. I've just started into my 3rd lot of bottles. I dose Trace Elements A, B & C along with Boron and Bromide. I manually dose their excellent concentrates, Coral Power Gro and Coral Power Amino. My tank has improved dramatically after ditching a well known and expensive product that has seen my tank almost crash totally on several occasions. Coral essentials is also very reasonably priced, so much so, that I can now afford to splurge out and buy Sustainable Reefs frags that are second to none! If you want quality at an affordable price, and clearly visable results, I thoroughly recommend the products. Coral Essentials, along with Sustainable Reefs expert advise, has helped me get my tank looking just like the photos they post."
Chad Chatfield

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Site image acknowledgement to Sam Parker, Chad Chatfield, Chris Steinwedel, Alex Xue

Part C Magnesium

Dosage rate: 5ml will raise the magnesium levels by 5 ppm (mg/L) for each 100L of tank water.

​What Our Clients Are Saying

​Follow Us on Social Media

What Our Clients Are Saying

Follow Us on Social Media