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It looks like our 9 year old Hayward T-cell-15 salt cell has finally stopped working. Finances are tight so we have been using liquid chlorine since we opened up the pool earlier this month. I'm having trouble finding liquid chlorine now because of this ridiculous chlorine shortage so it...

I just discovered that there is a sandy-looking substance in the dirt near our waste line. We just got done doing a SLAM so we have backwashed and vacuumed to waste on several occasions during the past week. Could this sandy-looking substance be dried up mustard algae or is this a sign that my...

We are on Day 5 of a SLAM. Yesterday, I woke up to a pool that was finally clear and had CC of 0. During the day yesterday, everytime I tested the water CC was 0, so I did an OCLT last night. When I tested the water at 7 am this morning, we had lost 1 ppms of chlorine overnight and CC was...

What is the consensus on the safest water level when closing a fiberglass pool with a mesh cover when you have waterline tile to protect? My older fiberglass pool is showing signs of settling so I am worried about draining it down below the returns like we normally do. The concrete cantilever...

We are on day 5 of a SLAM. We lost no chlorine overnight and CC is .5, but water is cloudy. I assume this means that we need to continue the SLAM. We had the same test results yesterday morning as well, and the water is just as cloudy as it was yesterday even though I've been keeping the pool...

I started a SLAM on Thursday. It rained non-stop for 12 hours during the SLAM on Friday and I didn't go out and test or add any chlorine during that time. I went out an hour after it stopped raining and tested the PH since I was worried that the rain increased it. It said that it was 8.0 so...

PH was 8.0 at opening. We must have added too much muriatic acid to the pool because it appears to be 7.0 now or possibly lower. The solution is yellow. I ran out of one of the TA solutions so I'm not sure what the TA is. Can I proceed with the SLAM tonight since chlorine will increase PH...

We opened up our mesh-covered pool yesterday. The water is so green that you can't see the bottom. I have a feeling that there is a lot of leaf debris on the bottom since our pool is surrounded by trees but I was afraid to vacuum since I couldn't see what I was doing. I was getting ready to...

A pool service is closing my pool tomorrow morning. I went to a pool store yesterday to pick up some polyquat and I let them test my water while I was there. According to both of our tests, FC is 10, CC is .5, PH is 7.8, CYA is 50, and calcium is 250. Pool store says that phosphates are 200...

My pool closing is scheduled for Friday. Water temperature is 65 degrees, which is higher than it usually is this time of year. Unfortunately, I can't change the closing date so I need to know what I can do to prevent algae from developing before the water temperature gets colder. I assume...

When I rub my hands along the walls of my fiberglass pool, I get a chalky white substance on my hands. This has been happening all season but it seems to be worse lately. I called a fiberglass pool pro about it and he said it is a common problem with older fiberglass pools like mine, and it is...

I have some questions about high PH levels. The PH in our fiberglass pool always hovers around 7.8-8.0 for some reason. When we add muriatic acid to lower it, two days later it is back up to 7.8-8.0 again. We haven't been swimming in the pool much this summer so we have just been lowering the...

It has rained off and on for the past two weeks and rain is the forecast for the next 5 days. Our pool is surrounded by trees so leaves and mulch is getting blown into the pool constantly. I don't own a robot so I'm going to have to vacuum the pool manually. I'm new to all of this so I have a...

The concrete cantilever coping above the tiles in my fiberglass pool are cracking in all four corners. I've been told that it is probably caused by my pool settling since the idiots that the previous owner hired to install the pool backfilled the pool with sand instead of gravel. A few small...

This may be a stupid question but is there any harm in running the pump when the water level is at the top of the skimmer opening instead of in the middle of the skimmer? I know that debris won't be able to get into the skimmer basket when the water level is this high but I wasn't sure if the...

We had a hail storm yesterday, and the hail broke the glass on the gauge on my Hayward sand filter. The sand filter appears to still be working but it doesn't go down to 0 when I turn the pump off now, and the pressure reading doesn't go down much after backwashing. The pressure reading is...

I need to add approximately 35 pounds of CH increaser to my pool. My level is currently 100 and the manufacturer of my fiberglass pool recommends a level of 300. I took a sample of my water into a local pool store so I could make sure I tested my water correctly, and they told me to add 35...

I'm planning a week-long vacation and I'm trying to figure out what we need to do to prevent our pool from turning into a swamp while we are away. I do not feel comfortable leaving the pump running while we are away since our pool is surrounded by trees, and I don't know anyone who lives nearby...

We had a wetter than normal winter and all of the rain water severely depleted all of the salt in our pool. Its going to be a few days before I can get some salt into the pool so I'm going to be manually dosing our pool with liquid chlorine until then. I don't normally do this, so I have a few...

We had a wetter than normal winter and had to drain water out of our mesh-covered pool several times in order to keep the water level below the tile line. We opened up our pool yesterday and it was much greener than usual and there was no CYA in our pool. All of the rain also severely lowered...

When my pool service closed my inground pool, they were unable to remove 8 of the loop-loc anchors in my concrete deck. Some of the bolts are stripped so they couldn't get them to budge when they attempted to loosen them from the concrete deck, and some of them just wouldn't budge because the...

My pool boy is coming to close my inground pool tomorrow. He recommends that I put an algaecide into my pool even though my water temperature is 61 degrees because we tend to have mild winters. He recommends a copper based algaecide but I told him I'd rather use polyquat since it is...

I have been managing my pool the TFP way this past year and I've read the information on here about closing an inground pool. A pool professional is going to close my pool on Wednesday since my water is now below 60 degrees. Last year, he put in a copper algecide that stained my pool so I'm...