







🌊 Elevate your reef’s foundation—because your corals deserve the best!
Red Sea Reef Foundation B 1L is a liquid carbonate and buffer supplement designed to maintain balanced alkalinity and pH in reef aquariums. It delivers precise dosing to support coral skeleton formation by providing essential minerals like calcium, magnesium, and strontium in optimal proportions. Trusted by reef enthusiasts, this BPA-free formula is a core component of Red Sea’s Reef Care program, ensuring healthy coral growth and a stable aquatic environment.








| ASIN | B074MLFHS7 |
| Allergen Information | BPA-Free |
| Best Sellers Rank | #10,345 in Pet Supplies ( See Top 100 in Pet Supplies ) #71 in Fish Medication & Health Supplies |
| Brand Name | Red Sea |
| Country of Publication | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (297) |
| Global Trade Identification Number | 00730773220243 |
| Item Form | Liquid |
| Item Type Name | Red Sea KH/ALKALINITY (FOUNDATION B) - 1L |
| Item Weight | 1 Kilograms |
| Liquid Volume | 1 Liters |
| Manufacturer | Red Sea |
| Manufacturer Part Number | 306168 |
| Model Number | 730773220243 |
| Target Species | Coral |
| UPC | 730773220243 |
| Unit Count | 1 Count |
B**T
Another great product from Red Sea.
P**K
Love this brand works great and my saltwater fish tank works as described. Have bought numerous times and have gotten this brand consistently. Consistent values for my saltwater tank.
N**N
Best product.
L**Y
B**Y
using this with the reef care recipe is 100% the way to go. Amazon has the best price as well
Trustpilot
3 days ago
1 month ago