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Your numbers will be helpful here to see what's going on. Once you post those you'll get concrete guidance on what is going on. In the mean time I'm wondering 2 things: 1. The Magic Eraser has cleaning solution in it that could then find it's way back into the pool. 2. Algaecide: I recently...

From one wife who took over pool management to another, you rock! I banned pool store advice & chemicals and have had a clear pool ever since (recent algae issue aside). I've also now become the pool maven of the neighborhood helping the local men walk away, slowly, from the local pool store...

@ Pooldv: "Much easier (and cooler) to brush the pool while IN the pool!" Brilliant! I will vacuum with my suit on this afternoon! Have a good weekend all ... I can see the skim drain in the deep end clearly this morning so all is right in the backyard again. -Backyardchemist

"Make sure read ALL the directions on that page. No skipping anything. :)" Just sending along an update ... I'm back on track. FC is stable at shock level @19 with no overnight loss. Looking bluer already,BUT point taken. Cleaning filters/vacuuming/testing daily. Hopefully we'll be back to...

Thanks Texas Splash & chem geek. I'll admit ... it's been a so long since I've had to address something like this, when last I looked a SLAM was simply still referred to as a shock. :) So you have it, here's the algaecide I used: Also, I agree, following ALL of the steps will save me headaches...

Hi folks, I am a 7+ year TFP user ... I love you guys! You have saved me tons of money and helped me help the whole neighborhood switch to @ home pool management. I know I'm responsible for at least 3 TF-100 Test kit sales, so I have the economic proof that I preach the gospel. The problem I...

FYI ... just checked my CYA with my neighbor's TF-100 reagent and it is definitely below 20. -Backyardchemist

Humm ... so I am hearing two different things. From Richard, I'm hearing that I have too little CYA and from Jason I am hearing that I possibly have >20 CYA. Is it possible that my CYA reagent has gone bad and I'm getting a bad read? Also, I'm still loosing 14-16ppm of FC during the day. Would I...

Hi everyone, We have an IGP, vinyl siding, @ 25000 gallons. We live in the northern US where winter means a solid freeze on the pool. For the past 7 years we have had a solid tarp as a pool cover (held down with water bags)which was great for keeping out leaves and awful to remove. After years...

@JamesW: Hmmm, I don't think I want to reduce my low-speed flow rate. At 26 gpm (see OP) that's only ~1.5 turnovers per day at continuous operation (~1.7 if you go with 22,000 gallon pool, which I think is closer to the truth than 25,000). I don't want to go below 1.5 turnovers a day, I don't...

Well, they've agreed to send me a new motor under warranty. I didn't push for an entire new pump. I guess I can check the impeller and diffuser when I get the thing apart to see if there's any damage or such, and that it spins freely. Any tips on the disassembly and reassembly? I suppose there...

@mas985: Interesting about the power factor. I might be able to measure that, I'll give it a try. FWIW, my total head is actually 61', because I measured the pressure at the pump, not up on the filter. Doesn't change the big picture, though. I have not taken off the 'wet end' yet, and am a...

@JamesW: I see. Yes, the 121V measure is with the pump running, not just the voltage on the line with the pump off. @daddybug: No, this pump is only 115V. I've double-checked my wiring to the two-speed switch and the wiring of the switch itself. @Bama Rambler: This, to me, is the crux of the...

@Bama Rambler: So, should I expect that the motor runs at full load amps regardless of the load? I didn't think so, but my understanding of motor/pump physics is limited. Why is the head measurement at FLA 'odd?' You would expect more, or less? @JamesW: I checked the voltage both at the switch...

I recently installed a new Pentair Whisperflo WFDS-24, replacing a very old Hayward Superpump. The first time I ran it on high to use the vacuum, after 20 minutes or so the motor housing got so hot I couldn't hold my hand on it. After turning it off, then trying to restart on low, it wouldn’t...

Uh-oh. I just replaced an old pump with a WFDS-24 for a similar-sized pump as the OP. Seems to work well on low speed, and vacuuming is WAY better than it used to be on high-speed, but the pump is running pretty hot and drawing max amps at both speeds (it's not low voltage, I checked that). Do...

Welcome to the forum RT! I had the exact same problem last year -- caused by pool store advice -- which is what sent me to TFP in the first place. The advice above is good. Here's what helped me: 1. Buy the test kit. It makes a huge difference to be able to compare your numbers to the pool...

Re: Please help me select a new pump.. Pics included of old Thanks, that's very helpful, particularly the part about losing the prime. You are correct that I have no need for high speed when the pool is unattended. I suspect I do have a leak on the suction side, based on losing prime (slowly)...

Re: Please help me select a new pump.. Pics included of old JasonLion, your response suggests that you are assuming the pump runs 24/7. This was not my assumption. With our old single-speed, we ran it about 12 hours per day once we had everything stable after opening. 25,000 gallons at 30 gpm...

Re: Please help me select a new pump.. Pics included of old I've also just learned that you need to have a 2-speed timer, because the 2-speed pumps won't prime on low speed. So, you either need to be manually switching down to low speed after getting it running, or add $180 for a 2-speed timer...

Re: Please help me select a new pump.. Pics included of old This is very helpful, folks. A couple of follow-up questions: 1. The Pentair whisperflow that I like (WFDS-3) for is 2" suction/discharge, but I'm 99% sure my current intake is 1.5". Any concerns with using an adaptor when I put in...

Re: Please help me select a new pump.. Pics included of old This is great! I'm on the same trajectory as mrpunchy and have been beating my head against the wall trying to figure out flow, head, pump curves, etc. I have almost the same setup, but no heater and only a 1/2 HP Superpump in need of...

Thanks so much for the safe swim FC range. I just wanted to be sure. That said, what about swimming and polyquat?

Re: Mid summer and algae and polyquat Thanks all for the feedback on the CYA vs. FC trade off. I've been confident about the FC levels I've been maintaining, recent bloom aside, and you are right that increasing 2 ppm is the same amount of chlorine when raising from 2 to 4 as when raising from...

Hello everyone, It's been a great summer so far using the BBB method on my pool. Overall it's been crystal clear, and this year the polaris filter is even working properly so I no longer have to dive for acorns. Unfortunately during a heat spell a couple of weeks ago I let the FC dip to...

Hello again, It's been one week and the pool is looking great! I've been able to make sure the FC stays above 15ppm with the most average reading being between 18-22ppm. Here are this morning's #s: FC = 16ppm PH = 7.5 CYA = 58 TA = 90 PH, CYA, and TA have been very consistent all week. The...

I can lube the O rings with silicone, and check the pump strainer lid. As for the drain plug ... I'm not sure what that is. I know on the front of the cartridge system there is a pipe that looks like it is sealed with a putty & plug of some sort. There is also a faucet on the opposite end of...

Hi everyone, I have a 25,000 gal IG vinyl pool. I began the opening process late last week, and all seems to be going fine except that yesterday we noticed consistent light bubbles coming from the two returns. We have a Hayward 1/2 HP motor on a Rainbow M series 8 cartridge filtration system...

Thank you for the reminder about the "How to shock your pool" Pool School page. Here's this morning's update: Overall look: Much lighter, still cloudy. I now cannot see the deep end. PH=7 FC=10 TA=70 CYA=50 This morning I cleaned the filters, added 1.7 boxes of borax to increase the PH, Added...