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Unfortunately no support from AquaPro. I've found one vendor but they want over $700 for the board... the part is less than $1 but its obsolete. If I can't find the part I'll just buy a new heat pump.

If anyone has a used PH-111A board please message me. This comes from an AquaPro Pro1300 Heat Pump.

For my Pool Heat pump... the three digit 7 segment display has gone out (erratic, doesn't show all digits) but otherwise works. I cannot source the display from US or worldwide. This is a 27 pin common anode red display and only 7 leg versions are available today. No NOS available anywhere...

Pump in recirc did the trick clearing up the yellow algae. Mustard Algae seems to be gone (or hiding)! Tried cleaning the old sand (6 yrs since new filter) and after two hours gave up. It just wouldn't clear up and had a layer of yellowish shiny stuff on the top that wouldn't come off, even...

Still fighting this Mustard Algae beast daily since Aug 8. when I "accidently" let the FC get to 3.5. Maybe the MA is localized in the filter because I can't seem to eradicate it after cleaning everywhere else. Cleaned every source I could find, still there every stinking day. CYA way...

Had a long bout with Mustard Algae two weeks ago and finally got it licked but it came back today. Seems it always shows up after a big rain like we had this morning but I added ~6 cups (3.5 lbs) of diatomaceous earth into my sand filter today too and am wondering if that could have poked the...

Made it through the weekend without a Mustard Algae breakout (except for some little depression that could be dirt but never showed before). I've let Free Chlorine fall naturally and it's now at 7.5 ppm (losing 0.5/day) cc 0 and pH 7.5. We've had no violent storms for a week so I'm not calling...

Not declaring the Mustard Algae over but with y'alls help I can say this skirmish has been won! Another night without MA appearance. FC dropped 0.5 (now 15.5) and zero CC. pH still drops (seems it likes low end of acceptable, 7.2-7.3) so I'm bringing that up to mid-range for now. Even...

Mustard algae still pretty much gone today. Maybe a small amount in a slight depression in the bottom of pool. Still Haven’t added any Chlorine in four days. Hardly any change on FC from yesterday (-0.5 ppm, but high at 16) and today was bright sunlight all day. pH up to 7.8 and stable...

Small amount of Yellow algae today...maybe a tablespoon size in total in the usual spots. FC now 16.5, CC 0. Other than pH changes I haven't added Chlorine for over 72 hours when I raised FC to 51 (Mustard SLAM with CYA 90). Still working to find the source... Appreciate the support here...

The Solar return goes to the Aqua Pro1300 Pool heater (out of view on the side of the house), loops through there before hitting the chlorinator then out to the pool. It doesn't have it's own return. I like the idea of connecting those Solar to/from pipes, opening that black valve and all the...

Felipe (flying tivo) how did you get that weir door off the skimmer inlet? I seem to have same Hayward skimmer. Must I take all the screws off and remove the panel? And then what? Pictures?

Thx, Maddie... it says 200-400 ppm but claims to be titanium and "will be nearly impervious to water chemistry damage. However, other components of the heater, and the remainder of the pool/spa equipment in general, may be susceptible to damage from prolonged exposure to unbalanced water...

Calcium Hardness 125 ppm. Don‘t really don’t know what that should be in my vinyl pool (or if it matters) but it appears low according to Taylor’s quoting Industry Standards of 200-400 ppm... causes issues with concrete surfaces which I don’t have.

Have a new area to check today (yes, I’ll inspect the skimmer too) for algae source. Did have a roof-mounted solar heater but recently put a metal roof on and unmounted the solar panels and distribution piping. The Pentair LX220 and the Compool CVA-24 valve actuator that controlled the solar...

I'm not cross mixing the Pentair or Taylor reagents. Just using them independently because I know it is a likely problem area. I like the idea of a standard sample...a calibration. Is that something I can buy locally or only the internet. I'm still looking for places the mustard algae could...

Wife is getting frustrated too... thinks I'm an idiot doing the pool maintenance myself. I'm an engineer so I have some ability to follow a process :) Says " take a sample to the pool store" and buy some yellow algae killer (a local neighborhood web app poster said "that works for his pool")...

Stinking mustard algae back this morning. What a battle this is... wife wants me to call in a “professional.” Ugh.

First day without yellow algae In almost a week!! Fingers crossed. No chlorine today... FC 41, CC zero mid day today. Pool looks great. Going to let the FC alone and turn down the pump to super low and let any solids fall to bottom overnight. I’ll vacuum tomorrow.

Good to know. I’ve watched the backwash output but didn’t really know what to look for

Backwashed today for three minutes, rinsed then another backwash for two minutes and final rinse. ive been contemplating a deep clean of the sand filter but the water is super clear in the sight glass during backwash and rinse...

Measured CYA with two methods. Taylor test in TF100 kit and Pentair stand alone “Rainbow” test kit. Taylor showed 65-70, Pentair 90 ppm before I raised the SLAM chlorine amount. I reduced CYA by draining roughly 1/3rd of my pool and refilling with city water. It was dropping from 110 to 100...

Just added 201 oz. more 11% Bleach... Should get me to 52 ppm or thereabouts. More thunder on the horizon... a lot of instability in the Gulf of Mexico right now due to Tropical Storm/Hurricane Hanna making it's landfall near Galveston/Houston, TX

Big cell came through. Our pool area flooded and spouse and I had to push deck water into the pool. I vacuumed again to take the small dirt debris off the bottom and just now checked the Chlorine. FC 38.5. same as four hours ago and zero CC. Mustard algae has returned! See picture below...