I came across this site in my search for a liquid chlorine injector. I am just putting another pool in at our new house and want to use liquid chlorine but my work schedule can make it difficult to keep up with. Any pros or cons?
If you search the site for "Stenner" you will get more information than you will want.
I have one and it works great! Stenner peristaltic pump mounted on a 15 gallon tank. Put a 1/2" threaded T after my heater. Plugged it into a smart plug, created an alexa routine and it will run on schedule! (Tank, pump,, "T", and injector pics below).
I used it for a year and ended up getting a Salt Water Chlorine Generator. Even though I had the tank in my garage, the heat degrades the Liquid Chlorine a bit, and I got tired of chasing down chlorine all the time. These are the only "cons" I can think of. It works great and many here have them.
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