The Seachem Reef Builder 600g - 363 is a specialised solution designed to enhance the health of marine environments by raising carbonate alkalinity. With its unique formulation, this product ensures pH stability at 8.3 over time, essential for the growth of corals which require both carbonates and calcium. When applied as directed, the Reef Builder ensures a balanced environment that supports coral vitality without depleting essential minerals like calcium, magnesium, or strontium. This product is compatible with Reef Buffer, allowing precise management of both pH and alkalinity levels.

Reef Builder differentiates itself by including vital components such as calcium, magnesium, and strontium, compensating for potential losses during the alkalinity adjustment process. The included magnesium is especially significant to counteract routine depletion, maintaining a healthy marine ecosystem.

Available guidance allows for various expertise levels in marine care—from beginner to expert users. The product provides precise measurements and clear instructions depending upon the level of alkalinity adjustment required, ensuring flexible application to meet specific tank needs.

• Stabilises pH at 8.3 for optimal coral growth.
• Increases carbonate alkalinity without reducing calcium or magnesium levels.
• Incorporates essential elements like calcium and strontium.
• Suitable for various user expertise levels with tailored instructions.
• Maintains coral health by preventing mineral deprivation.

For those dedicated to fostering the healthiest environments for marine life, the Reef Builder stands as a reliable choice. Its precise formulation is aligned with the demands of coral ecosystems, facilitating robust growth and long-term stability. Ensure the continued vibrancy of a marine tank by integrating the Reef Builder into regular marine maintenance routines.

• Weight: 600g
• Application: Twice a week for beginners, adjustable for advanced/expert users
• Compatibility: Can be used with Reef Buffer
• Formulation: Includes calcium, magnesium, and strontium for mineral balance

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.