Aquaforest AF Magnesium 4kg is a premium powdered supplement formulated to maintain optimal magnesium levels in marine aquariums. Magnesium is crucial for ensuring balanced calcium and alkalinity, supporting coral calcification, and promoting stability in reef systems. This 4kg container presents a cost-efficient solution for consistent dosing in medium to large aquariums, ensuring your marine life thrives.

• Promotes magnesium balance critical for reef aquarium stability
• Supports coral health and skeletal development
• Aids in stabilising calcium and alkalinity levels
• Dissolvable powder form allows for easy mixing and dosing
• Ideal for use in automated dosing systems

Regular use of Aquaforest AF Magnesium is essential as part of a comprehensive supplementation routine, maintaining the necessary water chemistry for vibrant coral growth and sustained reef stability.

• Volume: 4000g (4kg)
• Form: Dissolvable powder
• Application: Suitable for medium to large marine aquariums
• Compatibility: Suitable for automated dosing systems

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.