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A couple days ago I noticed some sand on my driveway where the backwash exits out to. That's weird, I thought. Sometimes I see dead algea or other debris that came out in a backwash, but never sand. Then today the plumbing started leaking from multiple places, basically everywhere there is a...

I'm almost done with a new solar system and I've got it mostly put together, dry fitting the plumbing. Before I glue everything up, I wanted to get y'all's take on it, make sure there aren't glaring design flaws, etc. The overview is, there will be five Fafco 2x20 solar collectors stacked...

I noticed that my regular cleaning product Ajax with Bleach contains trichloroisocyanuric acid as one of the ingredients, and I was like, Hey, that's the same stuff that's in my stabilized chlorine and they sell it at the dollar store for 28oz! Can I just poor it in my pool? Will the other...

I have had a drip at the heater inlet gasket and when I took it off I saw a lot of corrosion (photos attached). No problems in the heat exchanger itself, as far as I know. I've sprayed some CLR all around and scrubbed the rusty parts with a toothbrush. Is there anything else I can do? Is there...

If I have a limited number of sweeps versus regular 90s, should I prioritize using them on the suction side (before the pump) or pressure side (after the pump)? Or does it not matter, and the head loss is calculated on a system-wide basis, no matter where any individual fitting is located within...

I currently have 1.5" pipes throughout the system (including underground) and I am redoing the plumbing on the pad to 2". On the suction side, I have three 1.5" lines coming up next to each other which I will combine into one 2" line feeding into the pump. My question is, when expanding from...

I am adding a solar heater (in between filter and existing gas heater), and am using @Rancho Cost-a-Lotta 's amazing post as a guide for the automation for contolling the actuator-enhanced 3-way valve. Most folks here seem to opt for the Sonoff line of products for wifi relays and sensors. I am...