Brightwell Aquatics Alkalin 8.3 – Concentrated KH Buffer Supplement

Brightwell Aquatics Alkalin 8.3 is a highly effective alkalinity (KH) buffer designed for marine fish and reef aquariums. It stabilizes pH, provides essential carbonates for reef-building organisms, and ensures a healthy aquatic environment.

Key Features:

✔ Enhances pH stability by increasing alkalinity
✔ Provides essential carbonates for coral and reef-building organisms
✔ Over 50% stronger than most competing products
✔ Free from phosphates, silicates, and organic materials
✔ Designed by marine scientists for optimal reef health

Available Sizes:

• 500ml
• 1 Litre (2x500ml)

Maintaining 7-12 dKH alkalinity levels ensures a balanced marine environment, reducing stress on livestock and promoting coral growth. Perfect for marine and reef aquariums!

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.