Kalk Question

Y

yuki

I just hooked up my new Kalk reactor. I run two honeywell fans to cool my tank down. As a result I evaporate a lot of water. Can i raise the PH to high by topping off too much kalkwater? If anybody has any input please comment.

Thanks yuki
 
Yes it is possible. My own setup I have a redundant system, I have a JBJ ATO unit for my top-off with two sensors, one in the sump that turns on when the level goes down and one in the holding tank for the RO so it turns off when it gets too low. This prevents constant dosing and emptying of my RO into the system. I also have my controller set to turn off if pH hits 8.30 and that shuts off the ATO itself to prevent too much kalk. So far, I have had no issues with the pH going too high but have the security that if it does things will shut off. I also have it all run via LiterMeter pump so there is no chance of siphon issues.

You can do it, but you need to do it in a manner that builds in safety features. I don't know what kind of pump you are using for it, but I since you have a RK2, you have a pH probe correct? I would run the pump on your controller to prevent the pH from getting too high.

You could do this... have two plugs dedicated to the reactor and top-off. Run the kalk as your primary and have it set to turn off if pH gets to say 8.3 or 8.4 and then THAT even shuts off the reactor and activates the second plug that turns things over to your secondary top-off. That system may require two sensor setups in your sump, but will give you what you need.
 
Or you could make a weaker kalkwasser solution (1/2 tsp per gallon) to avoid overdosing. In the winter months when evaporation is less, you may need 2 tsp per gallon because the tank only needs a little bit of top off.
 
thanks guys. I was think I should hook it up to my reef keeper. It just gets a bit confusing because I run a selniod from my RODI unit that is controlled by double float switches and emergency float valve. I would hook up the selinoid so this would switch off my ATO as well if the ph got too high. Therefore i could run dry if the Ph stayed high. I guess i have to think this through.

Marc-I didn't think the amount of Kalk in the reactor mattered when using a reactor.

Hmmmmm.... I better do some more reading.
 
It doesn't, at least not as direct as when you mix and then drip it, or mix and pour the solution into a container for dosing. A reactor will dose the amount that is in the reactor, you could probably reduce the amount you keep in the reactor, say half inch or less to keep it weaker, but I am not sure how that would work or how to quantify the measurements.
 
I didn't realize you were using a reactor. My suggestion was for those that are mixing it up a few gallons at a time.

Be VERY careful with your setup. If I ever use a Kalk Reactor, it will be gravity driven and independent of my top off. And I might even hook it up with a solenoid to shut off the drip if the controller noticed a pH spike.

That stuff just does too much damage when something goes wrong, and I don't want to risk my system.
 
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