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๐ Elevate your reef game with precision dosing perfection!
The Red Sea Small 4-Part RCP is a scientifically formulated liquid dosing system designed for 40-gallon saltwater mixed reef aquariums. It delivers essential minerals like Calcium, Magnesium, and Strontium alongside 25+ trace elements to promote optimal coral growth, vibrant coloration, and stable reef health. Trusted by reef enthusiasts, this kit ensures professional-grade care with easy dosing and a 1-year manufacturer warranty.








| ASIN | B0D8R8VLL5 |
| Best Sellers Rank | #47,568 in Pet Supplies ( See Top 100 in Pet Supplies ) #448 in Aquarium Water Treatments |
| Brand | Red Sea |
| Brand Name | Red Sea |
| Customer Reviews | 4.6 out of 5 stars 26 Reviews |
| Included Components | Kit |
| Item Form | Liquid |
| Item Type Name | Box |
| Item Weight | 5 Pounds |
| Liquid Volume | 1 Liters |
| Manufacturer | Red Sea |
| Manufacturer Part Number | RCP |
| Model Number | RCP |
| Target Species | Fish |
| UPC | 730773227518 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Manufacture |
T**.
Simple, Effective
Loving the red sea dose system. Very easy to set up very consistent works fantastic with the red sea dose 4 pumps.
P**K
Great product, all positives no negatives
I have been using this 4 part for about 6 months now and results are amazing. If your looking for a way to take your reef tank to the next level this is it. Your corals will be healthier, have better color and growth rates are very stable and good.
S**L
Fast delivery but read the fine print
Fine print says do not use if you have a refugium. Most of us use one. Use the Red Sea foundational product
A**R
Does well
I got the larger size(160g) and all arrived unbroken. My only complaint is they do not come with tubing for inside. Although the top uses standard airline tubing(4mm) the bottom uses 5mm tubing so you will need to purchase that separately.
D**S
Leaking
Part 1 arrived half gone leaked out. Willing to update if red sea replaces
Trustpilot
1 month ago
2 weeks ago