Since I'll be using kalk in the ato to keep my ph in line (too low) I've made this little thing so that the pump doesn't suck the sludge from the bottoms of the ato tank.
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Mine lasted three years before I even had to soak it in vinegar. Even while I let it suck up the sludge from the kalkwasser.
Nice setup...you should have the ATO flow through a separate container (kalk-reactor) with a check-valve behind it, and not put the kalk directly into your ATO container, your top-off pump will last much longer
I put in about 7-8 heaping teaspoons for 10 gallon reservoir. I use that up in less than a week.
It never does dissolve fully. Even at much lower mixtures.
Since yours is fish only, PH is essentially irrelevant.
Do you use sodium carbonate, or sodium bicarbonate?
Sodium bicarbonate will lower the PH, sodium carbonate will raise the PH.
Using the kalkwasser as you are should be effective as well. Use as much as you like to get the desired PH level in conjunction with how much your tank evaporates.
Daniel. :wildone:
I drilled a hole. :spin2: