Adding a kalk stirrer with ATO

[dazoc]

Last post was a dud so I am trying to see if I was in the wrong subgroup or just a bad question.
Looking to add a kalk stirrer inline of my gravity fed ato. I have a ten gallon Rubbermaid can that feeds a float ball drilled into my sump. Looking between a

Reef Octopus KS100 Kalkwasser Reactor which is a stirring blade or an Icecap km120. Which is a magnetic bar stirrer.
I am also looking at a bar stirrer made from an Etsy seller.

The tank itself is a 64 gallon low boy, mixed reef that I setup after I sold my 300dd. It is going to be replaced with a 73 gallon Fiji cube when it arrives in a week or so.

Both stirrers are a sealed system so water pressure should push from the Rubbermaid to the stirrer and out to the float valve if the Rubbermaid is above the stirrer and float valve. Or at least that is my thought. It’s not that I need that much alk. I’m using a 4 head doser that is covering my needs. But I would like the ph bump I’m running 7.80-7.90ph with a skimmer that is already plumbed to outside air. Am I thinking wrong? Or will this work just off of head pressure if the stirrer is a sealed unit. Would like some opinions on bar mixer vs magnetic also.

Thanks for any help!
Eli

 

[Trickman2]

I have a avast marine one. Look at my thread.

 

[painter1982]

A co2 scrubber would most likely help your situation. My ph would hit 7.8 plumbed outside. Once I added a scrubber to my skimmer it’s never below 8.1. I made one with Amazon parts similar to brs jumbo. The media lasts me about 2 months

 

[Rjramos]

As mentioned, CO2 scrubber attached to the skimmer would boost pH better than Kalk. The problem with your thought out set up, is the Kalk solution from the stirrer, is fed to the sump through the float valve, said float valve will be full of precipitation and out of service in no time. You can figure out evaporation rate in 24 hrs and drip that amount over night. I like to use a peristaltic pump and slowly drip.

 

[Ryan - Serious Reefs]

As mentioned, CO2 scrubber attached to the skimmer would boost pH better than Kalk. The problem with your thought out set up, is the Kalk solution from the stirrer, is fed to the sump through the float valve, said float valve will be full of precipitation and out of service in no time. You can figure out evaporation rate in 24 hrs and drip that amount over night. I like to use a peristaltic pump and slowly drip.

Agree with this 100%. The float will fail and you will regret it.

Kalk is better done with a dosing pump and controlled dose. Just think of it like two part but way more dilute.