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BRS Pharma Kalkwasser (Calcium Hydroxide) 2 lbs


SKU: 210812
par BRS
$27.99 CAD
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Ultra-pure Kalkwasser for Reef Tanks!

BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the difference. If you are adding Kalk to your ATO reservoir or a reactor, you will find that BRS Pharma Kalkwasser mixes faster with fewer impurities and is even more potent than the others, meaning you will not have to use as much, saving you money in the long run.

Using Kalkwasser (Calcium Hydroxide)

Kalkwasser is the easiest method to maintain calcium and alkalinity levels in a reef aquarium not to mention low cost. With a few different methods to implement it, if your corals are growing and you need to add calcium and alkalinity, you will more than likely find multiple benefits from using kalkwasser. Being the only way to add calcium and alkalinity from a single solution along with helping elevate the pH of your aquarium to helping purify your ATO water even further, there are plenty of reasons to add kalkwasser to your ATO reservoir or set up a Kalk reactor or drip system. By far the most common application for kalkwasser is by adding it to your tanks top off reservoir and then relying on the auto top off system to deliver small amounts of saturated kalkwasser solution throughout the day.

We suggest using BRS Calcium Chloride, BRS Sodium Bicarbonate, and BRS Magnesium for General Adjustments to elevate and balance your aquariums parameters before using Kalkwasser.

How to Use Kalkwasser with an ATO System

Step 1. Test and adjust your aquariums calcium, alkalinity, and magnesium levels using BRS Calcium Chloride, BRS Sodium Bicarbonate, and BRS Magnesium for General Adjustments.

Step 2. Start by establishing the proper amount of kalkwasser to mix into your aquariums top off water reservoir.

Low Demand - 1/2 teaspoon per gallon of top off water
Medium Demand - 1 teaspoon per gallon of top off water
High Demand - 1 1/2 teaspoons per gallon of top off water
Step 3. With RODI water fill your top off reservoir & mix in the proper amount of kalkwasser then allow the solution to settle for 30 minutes before using.

DO NOT OVERMIX: Excess mixing and air contact will decrease the potency of kalkwasser.

Step 4. Place your ATO systems pump or intake line is place 1/2" to 1" above the base of your reservoir, ensuring only the clear slurry is being dosed.

Step 5. Activate your ATO and monitor the pH of your aquarium as the kalkwasser solution is being dosed, not exceeding increases of 0.20 pH. Your ATO should be pumping water into a high flow area of your sump or display tank to help prevent precipitation. Adding kalkwasser too fast may result in precipitation rendering it ineffective.

Step 6. Monitor your aquariums calcium and alkalinity daily, adjusting the strength of the kalkwasser solution in your top off reservoir as necessary.

Note: We highly suggest using a pH controller to prevent against pH spikes and overdosing.

Refilling The Reservoir

Simply refill your container with fresh RODI water and add the proper amount of kalkwasser per gallon of new RODI water and mix. It is recommended to clean your ATO reservoir regularly, though you do not have to every time you replenish your ATO container.

Maximum Dosage - 1 1/2 teaspoons per gallon of top off water

One of the limitations of kalkwasser is its 1 1/2 tsp. per gallon saturation point. Anything more than that will simply fall to the bottom of your reservoir and become essentially useless. If your aquarium is requiring more calcium and alkalinity added than what kalkwasser can keep up with there are a few solutions;

Start 2-part dosing
Increase your aquariums evaporation rate with fans
Vinegar method (experts only)
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Customer Reviews

Based on 2 reviews
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R
Reef guy
Great product

Great product and easy to use.

P
Phil

A+++