To get email notification when someone adds to a thread you're following, click on the star in the thread's header and it will turn yellow; click again to turn it off. To edit your profile, click on the gear.
The Wall has a powerful search engine that will go all the way back to 2002. Use "quotation marks" around multiple-word searches. RIGHT-CLICK on the results and choose Open Link In New Window so you'll be able to get back to your results. Happy searching!
In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
4 SunEarth 4' x 10' collectors
Stainless Plate Heat Exchanger (radiant); Quad Rod Heat Exchanger (DHW)
15-20 Gallon Drain-back Tank
Unpressurized Drain-back Setup
A few months after firing up my system about 2-3 years ago, I began noticing just a slight browning of the water visible through the sight glass outside my drain-back tank. It presently looks like what's shown in the attached photo.
I'm interested in hearing your thoughts on how to proceed and how much of a concern this "browning" is.