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Just got home from 7 day vacation. Pool tested fine. Hottub drop test turns red as soon as I put yellow drops in. Invert it and then becomes yellow with red chunks in it. Anyone with any clue what this is? I've never seen it before. I put an entire jug of bleach in it before I left which is a...

Good morning. I'm in a bit of a bind as I'm opening a new hot tub and need to test PH regularly, but have run out of phenol red reagent for PH. Normally I would order my replacements from this site, but I need them in a hurry. My local pool store only sells bio guard products so they have the...

Had my pool replastered three weeks ago. Sequestrant was added. TA and CH was low until I bumped them to 70 and 275 respectively yesterday. PH is 7.5, FC is 5, and CYA is 20. I've had a variety of markings, stains, and other blemishes appear over these last 3 weeks. I thought getting the CH and...

Good afternoon everyone. I use the TF100 test kit and have been using the TA test lately and need some clarification. The instructions say that you count the drops until the water turns "red". Mine never turns red. It turns light pink when it first turns and then if I add another drop it turns...

Hi everyone. I had my 30 year old gunite pool replastered 2.5 weeks ago. I had some issues in the beginning and spent the last two weeks getting the pH, CYA, and Chlorine established and brushing and backwashing. I felt ready today to do comprehensive testing. Results: FC 5.5 CC 0 CH 75 TA 30...

Hi everyone. I bought a house with a 30 year old gunite pool. It was losing water but I just put up with it all last summer. Just had it replastered about 2.5 weeks ago and it appeared the pool guys had resolved the leak by rebuilding the plaster around the entrance to the skimmer and replacing...

Good afternoon. I had my pool replastered approx 2 weeks ago. I've been brushing daily with a blended brush. It's mostly nylon with a few metal bristles mixed in. I have been reading conflicting guidance about what brush I should be using. The plaster guys told me from Day 1 I was good to go...

Good afternoon. I bought a house with a pool a year ago and the sellers laid some garbage paint over the plaster that rubbed off on everyone and made the water super milky and gross. So, I spent the off-season having it removed and new plaster put down. Well when the pool guys started up the...

Good afternoon, all. I am currently undergoing a fairly extensive renovation on my gunite pool in South Carolina and am wondering what people think about the pricing I agreed to: 15x30 free form gunite pool Removing and replacing 94 ft of waterline tile with basic 6x6 tile, repair of holes...

Good afternoon, all. So, about a week and a half ago, I cut on my old hayward super pump and the motor hummed for about 15 seconds and then just cut off without ever pumping water. I had noticed over the last few months that the motor would hum for like 5 seconds before it actually started...

Good morning. I am in the process of choosing a replacement sand filter. Water is beginning to seep through the wall of my old Triton sand filter. After doing some research, it appears that I need to choose a filter size based on head and pump GPM. I am estimating my head at approximately 50...

Good morning, everyone. I bought a house with a 30 year old pool. I have a sand filter that I've been told is also old and may need replacing. It seems to work fine so far although I have noticed that after running it for a few hours, one area.on the upper side of the filter starts to get...

I am a new pool owner and just wanted some advice from this forum before going to the pool store to fine tune my chemicals. I have a 12,000 gallon gunite white paint/plaster pool with a sand filter. My current readings using my TF100 kit: pH 7.5 TC 5.5 FC 5.5 CC 0 CH 250 TA 130 CYA 20 I have...

Let me start by saying I am new to this forum but have been reading it for a few weeks now and thank you to all the posters. I have learned a ton from just reading old threads. Now, on to my current situation... and let me go ahead and apologize for the length and detail I am about to go into...