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Dispensing Kalk

G

Gonzapa

I am using kalk in my ro water to control ph. I have a large reservoir of RO that feeds into a kalk reactor. Top off is controlled with a coralife float valve.

I am having an issue where my float valve gets "kalkcified" in about 3-4 days and then RO no longer gets dispensed and neither thats the KALK Which I really need for PH control. The valve works fine If I bypass the KALK reactor.

I thought of using float switches and a valve instead, to could control the RO water into the reactor but the idea of using electronics as the only method is not very appealing. I also thought that if i could find a float valve that the dispensing part is inside the water then the kalk would no longer be an issue but I couldent find any.

Does anyone have a fool proof method to do it?
 
JRWOHLER

JRWOHLER

One comment and one question.
I have not heard any foolproof methods that is why I dose by hand two part.
What method do you use to control PH with your top off water? Would a controller work? Opps two questions.
 
G

Gonzapa

JRWOHLER said:
One comment and one question.
I have not heard any foolproof methods that is why I dose by hand two part.
What method do you use to control PH with your top off water? Would a controller work? Opps two questions.
Click to expand...

I have an APEX. I have a PH probe in my tank and one in my calcium reactor. I dont have a problem with PH going high but as a backup to the float switch I have a solenoid valve in the RO side of the KALK reactor that will shut it of if ph goes over 8.5. As it is my PH is rarely over 8.
 
jimroth

jimroth

Gonzapa said:
I am using kalk in my ro water to control ph. I have a large reservoir of RO that feeds into a kalk reactor. Top off is controlled with a coralife float valve.

I am having an issue where my float valve gets "kalkcified" in about 3-4 days and then RO no longer gets dispensed and neither thats the KALK Which I really need for PH control. The valve works fine If I bypass the KALK reactor.

I thought of using float switches and a valve instead, to could control the RO water into the reactor but the idea of using electronics as the only method is not very appealing. I also thought that if i could find a float valve that the dispensing part is inside the water then the kalk would no longer be an issue but I couldent find any.

Does anyone have a fool proof method to do it?
Click to expand...

I add topoff water through a kalk reactor and I use a couple of float switches, the older "ReefGeek" topoff controller, and two solenoids (so there's redundancy). I agree that nothing's foolproof, it all needs to be checked tregularly.
 
Hawkeye

Hawkeye

Yet another method here. Sorry - I know i'm not helping. :p

I use a Tunze ATO (osmolator) hooked into a PM Kalk Reactor.

The sensor triggers the tunze to add RODI water. Instead of adding it direct to the sump - i've set it so that it goes into the PM kalk reactor. The reactor then deposits kalk into the tank.

For extra security - i put in two in-line valves to prevent any kalk from backflowing into the tunze pump.

You could bypass the reactor alltogether and put the powder directly into the RODI container -as I have seen a few people do here - but it will definitely reduce the viability of the pump life.
 
G

Gonzapa

steamman said:
Hawkeye are these two valves check valves or solenoid valves?
Click to expand...

For some reason I feel better about using a mecanical solution as opposed to the electronic one, but if I can find a better solution then I will go the electronic route
 
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