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That FC of 1-3 comes from, as I recall, the CDC. Down here in southeast Texas FC of 1-3 is only if you're growing algae as a cash crop! I treat 6ppm as my objective. For all other specs, I follow TFP recommendations. If I tested at 1.5, I'd be adding liquid chlorine in panic mode. No time...

Please update the forum with your experience at 6 months, 12 months, and later intervals. With Wax Myrtle trees on two sides of our pool, I'm emptying the skimmer socks at least once a day and twice a day when the wind shifts (just got lucky when we were away for five days with low wind...

One more little thing. Pentair, for example, only includes a full warranty when installed by an authorized Pentair dealer-installer. DIY gives you a drastically shorter warranty. I don't know if other manufacturers have a similar policy, but it might be worth checking. My Pentair IC-40...

Hey Drew. I'm only five years into my first pool, but I can tell you one thing for certain. The people here will give you good advice. As to pool store and pool service companies, they are all a gamble. There are probably good ones, but there are almost certainly more who will give wrong...

Whoaaa, Jim. IMPORTANT! [Credit to "Casablanca" screen writer.) Could you expand on that exploding cell thing? I have my Pentair IC40 powered on with a mechanical timer, thinking it's not good to power things that aren't in use. My time is set so that it turns on a few minutes after the pump...

Thanks, Hootz. I have wondered that too, since we've never had the multiple days of 100+ that we're having this summer. And my equipment is on the west side of the house, so I moved a patio umbrella to shade it. It was shaded all afternoon yesterday. I don't have anything to say that made it...

Thanks again everyone. To generesser: You described exactly the cartridge cleaning procedure I use. I use a thing called filter flosser on the water hose. Has about a dozen tiny streams in an arc that converge about 3 inches out, so I can hold it close to get a bit of water in every pleat...

Went to Patriot Cleaning Supply yesterday morning. My iPhone GPS directed me to a vacant lot between two strip centers. Went around to Morton Rd and through the first strip center there and finally found my way to the destination the warehouse businesses all but invisible from either Mason or...

Hi Jim. Filter pump runs 7:40 am to 8:20 pm. SWCG is on timer currently at 8:15am to 7:45pm. I take water samples during the times when the SWCG is off but the pump running. Last night's OCLT results: evening 12.0 ppm; this morning 12.0 ppm. I've reset the IC40 to 40%, as there is I think...

Guys, thanks again for sticking with me on this. Update. I cleaned the filter. Anyone remember in the weather reports about the Sahara dust in the atmosphere. I had almost forgotten that every time I've run the Dolphin, the two collection bins end up with mud in the bottom. When I opened up...

Thanks, Marty. I think I recall from your reply to someone asking the useful life of a filter cartridge, that you were on something like year 7 for your cartridges. Still doing OK? Incidentally, I have one end of my cartridges marked so that each time I clean them, I flip upside down. Good...

OK, Jim and WDS. I poured the last of a container of 10% Walmart pool chlorine. SWCG off, pump continued running another 2+ hours later, I was ready for the OCLT. Got my evening sample. FC=7.5ppm. This morning at 7:30 I ran the pump for 10 minutes and got a new sample. FC=7.0. Down...

Thanks, WDSHEFFER for the chlorine seller. I will check that out. Very conveniently located. We're just north of Franz at Avenue D in Katy. Good price, too. I just dropped a gallon container in the recycle bin. I'll retrieve it asap. Jim, I've never needed a SLAM in our five years with this...

Jim, you're in Texas. We're in Katy just west of Houston. Would our recent weeks and weeks of 100+ degrees be a factor here? I mean if 5-6ppm prevents algae for 4.5 years, and then it doesn't, is temperature the new variable that matters? Again, with my wife's respiratory problem we just...

Not challenging your conclusion, but a question: Why would the effect increase through the day? Second question. I've kept FC at 5 or above except one time a few months ago when if fell to 4 after days of rain overflowing water into the street. Another thing. My wife had been dealing with a...

Really? Filter was cleaned two months ago. FC almost never below 5ppm. CC not above -0- for three or more years. So the algae is in the diverter? Huh? OK, I asked, you answered. I will clean the filter and bump FC to 10ppm, then do an OCLT. Bummer. Thanks.

Pool opened for the first time September 2018. Pool, spa, filter, O3, UV-C, SWCG, heater, then split to pool and spa. I normally have run the pump 8am to 8pm at 1600rmp with the divider valve set between the spa and pool returns so that the spa just barely trickles over the edge into the pool...

I just noticed this is a DIY installation. In any case, you want to get this resolved quickly, as when not installed by an authorized Pentair dealer, your warranty is pretty darned short.

Maybe I missed this reply, but my copy of the manual for the IC40 says minimum salt is 3600ppm. Oddly enough 3600 is also listed as optimum. Kindof a small range. However, I often get 3400 from my 1766 test kit while the cell displays salt is OK. So, there may be a problem with your cell...

You might want to check Pentair warranties with authorized dealer install vs DIY.

Hi Melissa. As already suggested, you need a proper test kit, like this from Amazon: https://www.amazon.com/Taylor-Service-Complete-Water-K-2006C/dp/B0002IXIJ0/ref=sr_1_5?crid=37WH89P9DKHIJ&keywords=taylor+test+kit&qid=1689538816&sprefix=taylor+test+%2Caps%2C626&sr=8-5 Or the TFT test kit. In...

Every time I've bought the powder in the last couple years, it has come with a spoon. Also, my own testing of amounts said to me you can use too little to get an accurate result, but too much seems to not be a problem. I used the same water with a clean spoon slightly heaping, a clean spoon...

What Mdragger99 said ^^^ Hers' is not just one person's opinion. It's TFP fact. I might also say re adding liquid chlorine to bring up FC quickly, don't pour that into the skimmer either. Rather walk around the pool pouring small amounts. I use a salt water chlorine generator, however...

Sorry for the delay getting back on questions. Here is a pic today (June 18, 2023). These were 15 gallon planted in November 2017 (that's the second pic.) As to spacing, see what the nursery recommends. The spacing I chose was based on the mid points between sprinkler heads along the fence...

We don't have a landscape forum or one even subtitled landscaping, and this can make pool maintenance easier, more difficult, or an outright nightmare. We had a professional design the landscaping for our home. He also installed the larger items--ornamental trees: Eagleston Holly...

For about 2-3 weeks ending about a week ago, I get raining thousands of tiny expired flowers (about 1/8" each) off two Eggleston Holly trees next to the pool. Each day I use a scoop/net to gather up what I can, and once a week I run my robot cleaner. My manual scooping probably gets half of...

FWIW, I had a heater problem after almost four years. First use in about five months late last fall. With my other Pentair equipment, the VS pump automatically increases to the minimum heater speed. I hear a rush and fan sound, and then it shut off with the service light. Several tries and I...