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Opened yesterday. Ran pump 24 hrs and tested today. Thought I would put my numbers in Orenda LSI calculator to see what I might change to balance LSI. (I've never used this method before- help me learn) Here are my numbers with TF100 FC 5 Cc 0 PH 7.5 TA 140 CH 300 CYA 40 Salt 2970 Water Temp 63...

16x32 in ground vinyl pool. No mature trees, occasionally a few leaves from plants and flowers, and dust from wind. What pool robot would be suited for this scenario?

Today I noticed that the connection where the pvc goes into my booster pump is leaking. It looks like a glued in pipe. How do I fix that?

Friend went to her LPS with green pool water. 0 FC and 0 CYA. They told her to add 6 gallons of liquid chlorine all at once. She has a 12k gal AG pool. I think I calculated that brings her FC up to 60ppm. Does the extra chlorine do anything beyond waste money? Is there an old school theory...

Just did my spring dump, clean and refill on my 250 gal stand alone hot tub. My fill water alkalinity is a whopping 440! What is the recommended TA for a hot tub? And is the only way to get this TA down to reduce PH and aerate to get it back up and repeat until TA comes down? Here are my...

If you have a Meijer in your area…Found skimmer nets at Meijer for .40 a 5 pack box. Bought them all to share with my son and a neighbor. Also found OTO test kits for $1.20. I just use them for quick checks of our hot tub in between TFP test kit weekly tests. (And I will check against my new...

Trying to talk a friend into leaving her beloved test strips in the dark and walking into the light with a new proper test kit. She does not want to spend the money. Ugh. So I am wondering does the Taylor High Range kits really test chlorine up to 10ppm? She just replaced her 16 yr old above...

I have a stand alone 250gal hot tub. TA 40. PH 7.8 If I lower the PH, I’ll end up lowering the TA. The PH does drift up to 8’s slowly over a month. Last time I added baking soda to raise PH over the winter, it turned the water blue, tub blue, filter blue and coated everything. I’m hesitant to...

I have a stand alone spa. Master Spa Ochos Rios SE. Hanging head in shame, I was draining to do my spring refill and did not unplug the spa. I’m pretty sure I burned out the heater. This morning the fill water was still 65 degrees after 12 hours. Warranty just ended March 2022. Does anyone...

Will this timer work with my Polaris booster pump? I got the timer at an auction. Outdoor Digital Timer Box

I read on here a lot that even chlorine pools have some salt in them. Can someone explain where the salt comes from? I’m sure it’s a breakdown from the basic chems we add, like liquid chlorine, but I’m interested in the what’s and how’s so I can explain it to someone else. Thanks!

Found this picture on a group page. Poster was asking how this happened to her liner. Chlorine Pucks kept in a skimmer basket is my guess as well as not maintaining PH. Was so blown away by this photo I just had to share!

Helping a friend with her pool. She started her 2nd SLAM yesterday, she said previous one cleared June 20. Anyway, she overdosed her water with chlorine yesterday. FC 43 CYA 50 PH was 7.8 before SLAM She has a fiberglass pool and an IC20 salt cell. Not sure if she has a heater, probably does...

We have a 2019 Master Spa stand alone hot tub. It has the original Pleatco filter in it. I remove the filter on a regular basis and hose it off. I was reading about a filter cleaner. What do you use? Is there anything that can be made at home to soak and clean them in?

I can not seem to get my plastic sight glass off. Will it hurt anything to leave it in and just remove the pressure gauge this winter?

Is this red circled area the spot where we blow out all of our return lines and the skimmers too? What position do I put my multi port on to bypass the sand filter? I have no main drain. Do I change the multi port to different settings for suction line and return lines?

Vinyl liner pool, previous owners used a product with copper in it. EZ Pool. Pool won’t hold chlorine, CYA 100. No algae present. SLAM to see if there is anything bacteria in the water. Will this unbind the copper and cause a catastrophe of stains to take care of? Or turn the water brown?

Friend has a new home with a pool. Previous owners used EZ Pool. I am helping them learn pool care. Their pool will not hold chlorine. The have been exchanging water and have their CYA down to 95. They are adding 12.5% liquid and can’t hold chlorine over 1. They are targeting FC 11. Is there...

Pool (not mine) is about a month old. Fiberglass, abt 7600 gal. Jandy 300 lb Sand filter, Jandy VS pump, sun deck fountains. Pressure has been steady at 20 psi at 3450 speed. Today she vacuumed and then backwashed, but forgot to rinse. Pressure is showing 30 psi. Had her rinse for 30 sec...

So a couple with a new house that I’m helping with chemistry want to add a SWCG to their pool. Here is their plumbing. If I’m thinking right the cell goes in after the water is filtered and being returned? They don’t have much room at the pad. Where would you put it? Oh, and what might be the...

Today I worked with a couple that just bought a 28,700 gallon vinyl, sand filter, chlorine pool, that came with a house. My question is about the best way to address PH and TA. The rest I am very familiar with. FC 0.5 CC 0.5 PH so low I guessed 6 TA so low I guessed 0 to - (Water sample...

For a friend... Is benzyl ammonium chloride a quat algacide? He wants to use In The Swim. As I never use that stuff I really don’t know.

I had a kidney transplant 9 mo ago and bc of my immune suppression meds can no longer sit in the sun. We have a sports socket next to the pool and would like to put an umbrella in it to cast shade over a portion of the water for me to hang out in. Do they make such a converter or has someone...

Opened the Auto cover on the pool today, (pool has been open a few weeks, close cover at night) Water looks dull. My test results look good. Should I lower PH anyway? Might that help restore my TFP sparkles? Not showing is CC and it is 0

My Jandy Aqua Pure will be 2 years old next month. It began to leak on the surface of the clear lid last season. A new lid has been ordered under warranty. I had a look at the old one today and noticed that the center electrode plate is chipped away like corrosion. What would cause this? My PM...

Opened my friends pool today and noticed that her MPV o-ring needs replaced as it is leaking. Here is her current set up. Could we just get a new piece of flex pipe and run it to the pipe fitting that goes into the MPV? Is there a reason the PB added these 2 extra fittings? Also, can someone...

Just purged the hot tub with Ahhsome, drained and refilled with tap water. Here are my tap water results: FC 0 PH 7.5 TA 310 CH 175 CYA 0 Tub 250 gallons Should I tackle the TA problem first or is it ok to get some chlorine and cya in there while working on TA?

I was using the search option to look up a water chemistry question when I found this reply that pretty much sums up maintaining a Trouble Free Pool. It literally made me laugh out loud and is so true! So if you’re new to TFP, I encourage you to stick around. You’ll have the clearest pool on the...

Watching Insane Pools tonight and this family created a truly insane pool. It’s 100 feet long and 100,000 gallons! A mild side glam area and a wild area with a tree house and 21 ft high, 140 ft long water slide and a fire inside of the grotto and the spa is on top of the 8.5 ft grotto. Here a...

I see the Pool Math app has had an update. Thanks for always improving and giving us your best!! Check out your app and see if you notice the changes!