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Caulk or silicone? any particular kind? do I need to get one from pool stores or home depot will do? Also, would there be any reason why it wasn't caulked in the first place? Thanks.

This pool was built by previous owner about 5-6 years ago. This is going to be my 2nd summer. I have this gap around the whole pool and I believe this gap is getting bigger(or may be I just started paying too much attention to it). Guys who closed my pool last fall said they have never seen a...

According to a couple of people I spoke to this cover is anywhere between $1500-2500, depending on exact size and shape. Also someone told me pool covers went up in price recently, not sure why that is. To fix it professionally by sending it to some facility can cost up to $800. Contractors...

To anyone who may have the same issue - there's an air tube going from the sensor all the way to the plug. You need to get a can of compressed gas and try blowing the tube from the plug. No need take the sensor apart. If you do decide to replace parts of the sensor, you can get them from the...

I was thinking of waiting till summer. Are you saying I have to do it now or it'll get worse? I uploaded 3rd picture (with the ruler), please take a look

I have some cuts on my cover, made by contractors who were doing the siding work on my house. The cuts are not above the pool opening, so the water won't get into my pool through them. I know there are self-adhere patches out there, but will they really work? and if so, which ones would you...

If this is not the right forum for this question, please let me know which one is. According to the manufacture the pump should start pumping water out at 2-3" and stop when the water level is 0.5-1.5" My pump turns on only if the water level is slightly above 4". I tested it with the bucket...

I had a pool company close my pool in September 2010. They told me not to shock the pool in advance. They used 2 types of chemicals - shock, algaecide + antifreeze (I'll update this post if I find out what they used). They shocked the pool while they were blowing the bottom drain, so...

How do you tell if they do? Is this good or bad and why?

I know this site suggests nothing but liquid chlorine for a number of reasons and that's what I've been using for a couple of months. I've seen these at target for $10-12 and just curious if they are worth getting. I don't think it's a bargain if you compare it to prices in clubs, but you get...

I got R-7065 to test the validity of my CYA testing and I still get around 30-35, but not even 40. I tested a few times with 7065 until I found the ideal spot where I constantly got 50ppm, so I'm assuming my testing is (and was) pretty accurate. Either Leslie's use different solution and that...

Good idea. I'll try to do that.

I shocked it with liquid chlorine 12.5% about 10 days ago and it didn't help. That's why I wonder if I should try shocking it with something else or go above recommended FC shock levels. My CYA is ~ 30-35 according to my tests and 60 according to Leslie's tests. If it is higher then 60, then...

I read somewhere that free available chlorine should be between 2 to 4 ppm, and that too much chlorine can cause "corrosion of important pool components". If my CYA is indeed 30 and not 60 (I tested it again and again...), I wonder if I can damage anything by keeping my FC between 5-7ppm...

I'm getting more of these dots daily and some new ones are a little bigger (probably upto 2.5mm). Now I can see them on the bottom of the pool. For the last couple of weeks I've been using "ultra" bleach from Aldi (6%. exp 10/10) and Austin's liquid chlorine from BJ's (12.5%. no exp date...

I found some paperwork, but not sure how accurate it is. The quote document six steel reinforcing rods per perimeter foot in bod beam Shotcret/guinite structure, engineered for frost and fill conditions white marblite plaster finish some pool care company Pool type - guinite - 3M Quart 3M...

The amount of chlorine lost to sunlight goes as a percentage of the starting chlorine level. So a higher starting FC level means more chlorine lost to sunlight (all else remaining constant). this sentence throws me off. I guess I need to go to bed now and re-read it in the morning :) Thanks

I'm confused. With higher CYA level the starting FC level is higher. So, will I end up using more or less chlorine?

I loose about 2-3pm per day when it's 90-95 F. My cc is 0.5. Does it mean that I'd lose the same 2-3ppm on the same day regardless of the CYA level? According to Chlorine / CYA Chart the difference between minimum FC and target FC is 2ppm (for cya between 30-60). Also, in order to add 3ppm I...

I tried the wire brush on that spot on the picture for about 20 minutes - nothing. I just held the brush head, without a pole and tried all directions. It didn't come off, didn't get smaller. What should I try next? Are there any chemicals that I should try? Thanks

It seems like it. I don't swim every day, but when I swim I find new spots. It'll stay the same. I just get more of them, but they all are about the same size, 1-2mm. It may seem like it, but I can't say for sure. Again, according to my tests my FC level is always at it's target. According to...