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This year after 8 seasons, my Aquacal Autopilot SWG cell finally gave out. I had it replaced by the original installer, and they also said a board in the controller needed replaced, which I was originally a bit skeptical of but the entire job was still less than 7 years of chlorine. It worked...

Hi all, long time since I have posted but I hope everyone is doing well. Hopefully I can spend some more time on the forum helping folks out this season. The new forum design looks great. The air relief assembly on my Pentair (STA-RITE) DE Filter cracked over the winter. Partially my fault for...

I just saw this on TF-Test kits (I think it's a fairly new offering?) http://tftestkits.net/pH-Meter-p95.html Are we recommending this now? Anyone do tests to compare to the Taylor drops & comparator? How do you calibrate?

No questions, just sharing my SLAM photos from this year's opening. This is my second season opening, and it was once again a swamp. I skipped the Polyquat60 when closing last year, because it didn't seem to make any difference the year before. The only difference this year is that the water was...

I'm not considering using, just posting in this folder cause the product is probably junk. I've seen a few people rave about these "Aqua Pills" on social media, but I can't for the life of me find any documentation as to what exactly is in them: AquaPill WinterPill Winterizing Pill for Swimming...

I managed a commercial pool for a very short time last year, mostly as a favor when the person doing it quit suddenly. One thing I was surprised by, is that several people I dealt with to purchase chemicals/equipment told me that outdoor commercial pools generally do not use CYA. One large...

I came across this very interesting video explaining how differential pressure is hazardous to commercial divers. It's a little long but a good watch. The second incident they show is someone repairing a pool drain and becoming trapped underwater due to the "delta-p" (around the 4:11 mark in the...

Most of us have heard this argument against the FC/CYA ratio; FC over 4ppm will damage pool equipment. This is even included as a clause some equipment warranties. We all know this isn't true as long as there is CYA in the water. But I'm not asking about SLAM FC levels. The situation is that I...

Split from Can I power wash my filled pool? Zea3 sorry I can't really answer your question, but I had no idea natural pools were a thing! Natural pool - Wikipedia, the free encyclopedia I actually think that's pretty cool, and I wish we could discuss it around here without people getting upset.

I'm working with a commercial pool that is in rough shape. We have 3 large Pentair Triton II sand filters that I'm thinking are about 25yrs old. I don't think they've ever been cleaned or had a sand swap. Doing some research on here, most people seem to be of the opinion that sand never seeds...

How prone is the Taylor Iron test to false negatives? I've tested water that I am 200% sure has large amounts of iron and the test shows absolutely nothing. Is there any accurate way to test for metals without using a lab?

I think the TF100 is an improved format over the K2006, so don't take this the wrong way this is just some honest feedback. After purchasing some reagent replacements from a local Taylor distributor, I feel as though the quality of the drop bottles and especially the DPD powder container in...

I shouldn't be allowed to handle a kitchen knife, let alone pool chemicals. MA Burns.... And Chlorine will ruin your cloths....

Is low CH a problem for a painted concrete surface?

With temps finally getting warm, I was able to add salt and turn on the SWG this past week. My current pump schedule: 1AM -3AM: 3450 RPM 9AM - 11AM: 1500 RPM 1PM - 5PM: 2350 RPM I have the cell running at 100% but my FC has been in the 1.5-2.5 range when I've tested the past couple days. I've...

Propane. Any recommendations in this price range?

Am I correct in assuming this is the same as Diatomaceous Earth?

I have a tiny (140 gallon) hot tub that uses a Silver Ion sanitation system (explained by chemgeek here). The silver needs an oxidizer to work correctly, and the manual instructs weekly additions of Dichlor -or- MPS. They specifically say the use of liquid chlorine will not work with the...

Peeled off the cover today to some slightly cloudy water. CH: 325 TA: 110 PH: 8.2+ Salt: 1800 FC: 0 CYA: 40 Added some MA, going to the store to grab bleach and salt shortly. The pool vac is picking up a lot of clear crystals. Is this salt that has settled over the winter?

Ok this thread probably isn't needed :jocolor: But I wanted to mention, Amazon has CYA for about 1/2 the price that I could find at any local place: Amazon.com : Pool Mate 1-2607B Stabilizer and Conditioner for Swimming Pools, 7-Pound : Patio, Lawn Garden It feels like some people here report...

I just took a water sample from our closed pool to calculate how much salt/CYA I would need for opening. We had a lot of precipitation in eastern PA this winter (water is up to coping), so I was expecting a good amount of dilution. However, the CH drop was more significant that I would have...

Is there anything to be concerned about aside from these? We have well water that I always thought was pretty nasty. I don't drink it because it tastes metallic. It leaves pinkish brown stains in toilets/sinks, and green deposits around faucets. This is our first season with the pool, and I...

I have a dedicated single speed pump for a waterfall, 1.5hp 3400RPM. My filter valve has no drain to waste option, so I need to drain from a standard hose valve attached to either pump. I turned off the valve for the waterfall and hooked the hose up, but there was not a lot of pressure coming...

Has anyone else noticed this? It happens to me seemingly randomly, but on a consistent basis. Screenshot: http://i.imgur.com/mMt5h4G.png

PH - 7.5 TA - 60 CYA - 50 FC - 6 CC - 0 CH - 475 I have no idea why my CH is so high. This is our first season, and we started out with a CH of around 150. We have nasty well water, but got water trucked in to fill the pool originally - and only added about 20 lbs of calcium flakes to that. We...

This is our first year with a pool, so I'm starting to look into closing options. Local companies are all quoting me in the $500 range, which I think is a bit high. I read the pool school closing article, and it all seems mostly straight forward except for blowing out the lines. A local company...

Just got this little hot tub, only 150 gallons! I read through the Bromine guide and I think I want to go that route. We had a hot tub in the past and never did anything except throw bromine tabs in. I was thinking I'd get a tab floater, and just do that along with start up powdered bromine...

Hi, this is our pool's first season and I'm wondering what the best option is for covers. It's a 48ft long 20ft wide free free form pool. The PB gave us a quote for a coverlon cover, $5300 for mesh or $5600 for solid installed. 1) Any other brands I should check out besides coverlon? 2) Does...

I just got a new inground pool and have a question about testing. I have 2 liquid drop test kits, the "instant" test strips, and took a water sample into a pool store. I'm getting very different numbers from each test and I don't know what to trust. For Alkalinity the pool store says my...