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🌊 Elevate your reef’s vitality with precision and purity!
Seachem Reef Kalkwasser is a premium 2 kg calcium hydroxide powder designed to safely and effectively increase calcium levels in aquarium top-off water. It raises pH to an ideal 8.3–8.4 without impacting carbonate alkalinity, ensuring stable reef conditions. The product dissolves easily for precise dosing, supporting healthy coral growth and vibrant marine ecosystems.
| Allergen Information | Yam Free |
| Asin | B0002A5WPG |
| Best Sellers Rank | 297,700 in Pet Supplies (See Top 100 in Pet Supplies) 2,314 in Aquarium Water Treatments |
| Brand Name | Seachem |
| Customer Reviews | 4.3 4.3 out of 5 stars (82) 4.3 out of 5 stars |
| Global Trade Identification Number | 00000116039901 |
| Item Form | Powder |
| Item Type Name | Aquarium Conditioner |
| Item Weight | 5.01 Pounds |
| Liquid Volume | 4 Litres |
| Manufacturer | Seachem |
| Manufacturer Part Number | 399 |
| Model Number | 399 |
| Number Of Items | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| Unit Count | 2000.0 gram |
| Upc | 000116039901 |
User
Broken box
Broken container. All power everywhere, I have to clean up
User
As described, cheap bulk pricing
Corals seem happy, this will last a while.
User
Great Kalk!
This stuff makes your reef rock! I always run this in my top off water. If your having trouble with your LPS, they love this stuff and grow like weeds when you run it.
User
Love it!
I love how this kalk is a little heavier it tends not to float up as much stays more settled at the bottom!
User
Great product and pricing.
Great product and price!My marine tank responds very well to dosing using this as a drip method for Kalkwasser.
Trustpilot
2 days ago
1 month ago