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🌊 Elevate your reef game with pure, powerful kalkwasser!
Seachem Reef Kalkwasser is a premium 500g calcium hydroxide powder designed to maintain natural seawater calcium levels and stabilize pH without impacting carbonate alkalinity. Ideal for reef aquariums, it supports long-term water chemistry balance through precise limewater dosing, ensuring vibrant coral growth and tank stability.
| ASIN | B0002A5WOW |
| ASIN | B0002A5WOW |
| Age Range Description | all stages |
| Best Sellers Rank | #44,908 in Pet Supplies ( See Top 100 in Pet Supplies ) #439 in Aquarium Water Treatments |
| Brand Name | Seachem |
| Color | white |
| Customer Reviews | 4.7 4.7 out of 5 stars (446) |
| Date First Available | June 15, 2004 |
| Date First Available | June 15, 2004 |
| Department | All Ages |
| Department | All Ages |
| Directions | Never add this product directly to the tank. Add 3 g (1 teaspoon) to 4 L (1 gallon) of water and mix to dissolve. If using pure water, a fully saturated solution is prepared by adding 6 g (2 teaspoons) to 4 L (1 gallon). Drip this solution into tank. Monitor pH and carbonate alkalinity. Adjust rate of addition to maintain a stable pH (8.3–8.4). Notes: Adding 4 L (1 gallon) of a saturated kal… |
| Included Components | all |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 8 x 3.7 x 3.6 inches |
| Item Package Dimensions L x W x H | 8.03 x 3.74 x 3.7 inches |
| Item Weight | 0.43 Kilograms |
| Item model number | 116039703 |
| Item model number | 116039703 |
| Manufacturer | Seachem Laboratories, Inc. |
| Manufacturer | Seachem Laboratories, Inc. |
| Material | Cotton |
| Model Name | Reef Kalkwasser 500g |
| Number of Items | 1 |
| Product Dimensions | 8 x 3.7 x 3.6 inches; 15.2 ounces |
| Size | 500 grams |
| Specific Uses for Product | Active |
| Target Audience Keyword | fish |
D**.
Works well
I'm only dosing about 250 ml of kalk per day into my 164 gal majority LPS reef, spread out evenly over 12 doses. But even at that small amount, I've seen great stability in my calcium, alkalinity, and pH. This stuff works well, and it's very cost effective. This jar will literally last me more than 9 months. Worth it to spend a bit more for a pure, high quality product, as opposed to food grade pickling lime.
W**S
Goes a long way
Maybe a tablespoon for 2 gallons. This container is good for hundreds of gallons. I use it as a PH buffer at water change. The PH of your tank is the PH of your tap water so I make sure I at least put in water in the low to mid 8's. I add one cup clear Kalkwasser per gallon or 2 of water change water. You can also verify salinity at the same time and just pour it all in the tank. You will not hurt anything.
V**�
Very good 👍
Very good 👍
A**R
You will need a container to supply tank
Use with auto top off
B**L
great for dosing systems
not easy to get the right dose . much better if used with dosing system . I found out my calcium levels are plenty stable at 4 plus if I do weekly water changes . I use more salt but stopped all additives . todays salt is much better than the old days .
D**R
/
good
M**L
Good value for your money
Started dosing this in my tank and immediately could see the difference. Corals seem happier. It mixes up instantly and you get alot in this small container.
E**C
Great stuff
Mix this into your auto top off and forget about fluctuating calcium levels! This has been a life saver in my pico reef tank.
C**R
Perfecto mantiene todos los parámetros perfectos fáciles de usar acuario estable
G**R
Does what it says
G**.
Works great my Reef tank is responding well since switching
M**N
Excelente producto de gran marca
J**G
I use seachem products daily. Cannot go wrong with this brand when it comes to your saltwater aquarium.