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🌟 Elevate your reef’s vitality with science-backed alkalinity power!
Seachem Reef Carbonate is a highly concentrated (4,000 meq/L) liquid blend of carbonate and bicarbonate salts designed to restore and maintain optimal alkalinity in reef aquariums. Its unique formulation stabilizes pH around 8.3-8.4, supporting healthy coral growth without depleting essential minerals like calcium and magnesium. Trusted by reef enthusiasts, it ensures your aquatic ecosystem thrives with balanced water chemistry.

| ASIN | B0002DGM5C |
| Allergen Information | Abalone Free |
| Best Sellers Rank | #46,366 in Pet Supplies ( See Top 100 in Pet Supplies ) #404 in Aquarium Water Treatments |
| Brand | Seachem |
| Brand Name | Seachem |
| Customer Reviews | 4.8 out of 5 stars 438 Reviews |
| Global Trade Identification Number | 00000116066303 |
| Item Form | Liquid |
| Item Type Name | Aquarium Conditioner |
| Item Weight | 1.4 pounds |
| Liquid Volume | 500 ml |
| Manufacturer | Seachem Laboratories, Inc. |
| Manufacturer Part Number | 663 |
| Model Number | 663 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | reef aquarium |
| UPC | 000116066303 |
| Unit Count | 1 Count |
| Warranty Description | As Labeled |
R**R
Great for reef tank
Great for reef tank
R**Y
Keep on hand
Works Wells
D**E
As described
Best alk supplement for the price. I have used it in my reef tank and it was great. Fish are okay. PH level depends on dosing amount. Product does not leak and is safe use. Functions good.
S**I
Good product
Does what it is supposed to do. I have found when calcium is high, alkalinity is low and when alkalinity is high, calcium is low; so maybe keep that in mind. Other than that I ve been using Seachem products since I started in this hobby and so far have no regrets. Amazon has the most realisting prices especially with prime shipping. LFS's want WAY too much $.
A**R
Lifesaver
A real lifesaver. Make sure to NEVER overdo it. Go gentle and take it slow. Thanks again.
Y**I
Excelente para estabilizar el KH
Lo estoy usando en mi acuario de arrecife y me ha funcionado muy bien para mantener estable la alcalinidad (KH). Se disuelve fácilmente y no enturbia el agua cuando se dosifica correctamente. He notado mayor estabilidad en los parámetros y mejor respuesta en los corales, especialmente en LPS y zoas. Es importante medir antes de dosificar para evitar subidas bruscas, pero siguiendo las instrucciones el producto es muy confiable. Buena concentración y rinde bastante. Marca recomendada para sistemas de arrecife.
P**N
Trusted brand, good price
Good price for reef tank minerals.
S**.
Best out there when used with Reef Complete
I started using this and reef complete as my 2 part dosing over a decade ago and they are STILL the best 2 part system in 2020 IMO. Carbonate/bicarbonate is carbonate/bicarbonate, alone this just another brand of alkalinity but it's the balance with the Reef Complete that makes it special because reef complete is the most concentrated calcium chloride and also has strontium and magnesium so you don't have to worry about going out of balance with those which if low inhibit calcium uptake.
A**R
Works as expected.
Works great for bumping up my alkalinity. I just recommend starting with very small doses and increasing them slowly
A**R
Lid was loose
Lid was loose, and white powdery crust was all over the bottle.
Trustpilot
2 months ago
1 month ago