The dose should be 1/4 teaspoon powdered Calcium Hydroxide per 150 liters of tank capacity. Mix in say 2 liters RO water, shake and add the lot. I have done this for years. I got this from an article by Dr Jaubert of the Monaco Aquarium. He is also resonsible for his patented "Plenum" method.Hi, has anyone got some links into the adding of calcium hydroxide in the form of a slurry? Tried google and could not find the actual recipe for this.
We do this every morning. However probably the best time would be at night, this should sort you night pH. Quite frankly I dont measure any parameters. Kalkwasser sorts out so many different things, such as phophates etc. I have always been puzzled by the fact that the usual "urban legends" are going to surface when people read this. The usual nonsense about pH out of control, snow storms etc. As I said I have done this for years, demonstrated to people by pouring it over corals and still people will go back to dripping. Makes you think?Thanks Rod. Is there a preferred time of day/night to add the slurry?
I am assuming this will bump up the ph of the tank which is what I am aiming for, I am tying to get a daytime ph of 8.6 and a nighttime ph of 8.3.
Do you add this slurry daily?
Me too I have a few tubs of the stuff and have used it twice. It's enough of a pain to mix the stuff let alone get it dripping. So I will start again from tonight and add kalk. How would one know how much your tank needs?hehe, Thanks Rod, I used to use the same method until everybody shouted at me, I tried dripping but got so sick and tired of battling with it so I just stopped using kalkwasser completely.
Galibore,Here's what I am going to do. (Done it once to test etc. but seeing that I don't really have calcium loving corals, will wait until I get some SPS.)
For each 25L drum of R.O water that I get, I add 12ml vinegar, shake well. Then I add 2 tsp of Dischem Slaked Lime and shake well. I gooi that into my auto top off container.
Now Viper, what worries me is that you said in another thread, that the container must be kept closed. Why? My ATO container is not closed (obviously). Are you saying that what I am doing is not effective/dangerous?
Can you explain this please Rod. What is CaCo3?they all have drains to drain off the CaCo3 which has formed in the reactor.
Phew, thanks, I was hoping that the answer was something like that.Galibore,
The container closed story is just to stop kalkwasser reacting with carbon dioxide to form insoluble calcium carbonate. If you are forming calcium acetate (kalk + vinegar) this no longer applies.
Anyway for regular kalkwasser this is not dangerous, just makes the solution a little less effective but IMO it would take at least a few weeks before the solution became useless.
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