Red Sea Reef Foundation B (Alk) Supplement
Red Sea’s Reef Foundation B is a specialized blend of carbonates and additional buffering agents found in seawater, designed to support optimal alkalinity and pH levels. It forms an essential component of Red Sea’s comprehensive Reef Care system.
Product Specifications
| Component | Value |
|---|---|
| Form | Liquid |
| Volume | 33.8 fl oz (1 liter) |
| Function | Buffering agent for alkalinity and pH stabilization |
| Application | For marine aquariums with reef systems |
FAQ
What is the recommended dosage for Reef Foundation B?
Please contact customer service for dosage recommendations based on your aquarium setup.
Can Reef Foundation B be used in a freshwater aquarium?
No, Reef Foundation B is designed for marine aquariums only and should not be used in freshwater systems.
Does Reef Foundation B contain any additives or preservatives?
The product contains only natural buffering agents found in seawater and does not include preservatives or synthetic additives.

Nicola Rampling –
This supplement has kept my reef tank’s alkalinity stable over several months. The water parameters remain consistent, which is crucial for coral health. Easy to measure and mix with the tank water. I’ve used it alongside other Red Sea products and see positive results.
Keith Baker –
I added Reef Foundation B regularly and noticed less fluctuation in pH levels. It’s a reliable product for maintaining stable conditions in my 100-gallon reef tank. Slight improvement in coral coloration after a few weeks.
Ava Bond –
The formula is simple and effective. I’ve used it for over six months without any issues. It works well with my existing filtration and lighting setup. No side effects or changes in water chemistry observed.