limewater mixing/how to dose?

chefer

New member
Randy I have read some of your articles talking about ph and I have a 2 part question. I have a calcium reator and my ph is 7.95 during the day and down to 7.6 during the night. My reactor is on a ph monitor is set to go on at 8.0 which it never goes on unless I manually do it which I do to keep dosing. It is winter here and unable to open window. I don't have this problem in the summer. I have a spectra pure auto top off connected to the Ro/di which feeds directly to the sump. It has a float valve shut off as a back up should the switch fail. I have a float valve for the 55 gallon trash barrel mixing water for water changes. 1st what is the best method to dose with lime water and how much powder(pickling lime) do you mix with the water. I like things to be as automated as possible for times when I am on vacation and It has to be dissaster proof. I recently came home to water all over my hardwood floor leeking to the basement. The siphon overflow lost it siphon(yes I do have an aqualifter pump) and the water kept pumping up from the sump into the display tank because It kept calling for water from the auto top off. This is the only glitch in the system. I have a temp fix by putting the auto top off on a timer twice a day for 30 minutes. Thanks for your help Mike
 
I dose limewater for weeks at a time with no attention to it. It consists of an 88 gallon limewater reservoir (2 x 44 gallon Rubbermaid Brute trash cans connected), a Reef Filler pump which can be set to a flow rate just a bit higher than the evaporation rate, and a float switch in my sump to control it.

if the switch somehow stuck on (it hasn't as I bought a very good float switch from Omega Engineering), then the Reef Filler would still only dose a bit more than evaporation. You could even put in a second float switch a bit higher to shut it off if you want extra protection.

You can dissolve up to about 2 level teaspoons lime per gallon of limewater. I use less as my tank needs less, and with more, the pH rises too much.

This article details limewater options:

What Your Grandmother Never Told You About Lime
http://reefkeeping.com/issues/2005-01/rhf/index.htm
 
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