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I've done some copper sweating when redoing a bath. I'm no expert in it but probably should give it a shot.

Thanks. I think I'll need to go to Home Depot and look at their copper stuff.

At this point in time, I'm not thinking of getting the pool resurfaced and have all the pipes dug up and replaced. If that's what you mean. The pool is in relatively good shape and I hate to have to spend 10-15k to get it re-surfaced/pipes replaced. What I want to accomplish is putting in the...

I am replacing my old pump with a Pentair VF and was buying up elbows and other bits at Home Depot. But I couldn't find anything other than the drain rubber boots that adapts 1.5" to 2". But that looks way too flimsy. So I started looking online and found this type of rubber coupling...

Re: The CHEAPEST Source of Liquid Chlorine! Who can find it! 1.) OSH 2.) Kemtek? 3.) 10% 4.) 2 Gal/box @ $6 regular sale price 5.) 4 tax inclusive with special coupon or $2/gal of 10% I had gotten it down to 1.66/gal before. But those days are gone..

The green "algae" that you see in the first pic, where the two large dark green patches are on the wall, have been there the longest. It has literally spread all around the pool in the last month. With the constant shock level (right now at 16ppm) the newer stuff has mostly died off. Almost all...

Thanks. The pool water is crystal clear and has been (at least visually) before I started attacking it with chlorine. It was just the green algae that has been impossible to brush off. I guess this isn't the regular mustard algae that could be brushed off easily in the years past. It's much more...

LOL swimming in curry gravy would be quite appetizing. (Not poking fun at the guy.) Can you get a hold of a proper test kit like the ones being suggested on this site? And can you get a hold of liquid chlorine or non-scented household chlorine? That's the tool that you'll need the most.

Yeah, i am planning to clean it out tomorrow and add new DE. It was cleaned in early December last. The pump is running 12 hours a day but it's seen better days so I have a Pentair VF in store that's going to replace it. I have the FC at 14.5 right now and that should hopefully do it for the...

Sorry I didn't get to the CYA until now. CYA= 20 (or less..) TA=140 CH=250 pH~7.6 prior to shocking last week FC=9ppm as of tonight CC=0ppm Water temp ~ 50-60 F, rough guess. As air temp ranges from 40s-70s F. FC has now been bumped up to 14ppm to keep shocking. With CYA that low, 10ppm or more...

Gotcha. I'm going to let the chlorine burn the algae some more, brush a bit to loosen up the dead bits and let the filter capture some of it, and clean the filter tomorrow.

Not yet. Some light brushing is removing the top layer which has turned more of a dark green color. Once brushed off, a fresh/lighter green color is now exposed again but it's not as dense. I'm guessing the chlorine hasn't had a chance to attack the stuff covered by the dark green layer (which I...

So in the last few days I have been keeping the pool with 15ppm or more of chlorine in the water. Keeping tabs of the chlorine level and adding chlorine every twelve hours or so. It is apparent that the bottom has cleared up a little. The stuff on the side is still pretty stubborn. I'll keep...

OK. Since I have no way to test high FC at this point. Should I wait till the kit comes in?

I have a question with keeping the CYA low (~20 as measured) and shocking, as suggested above. Wouldn't a low CYA allow Chlorine to be burned off easily by the sun? Shouldn't I get it back to 50ppm or more before shocking it so the Chlorine will stay in there longer? I know my last reading was...

Locally our Orchard Supply Hardware (OSH) has 12% on sale for 5.00/2 gal. Regularly 6.99. I bought 6 packs and got a 10 off 30 coupon so I got 12 Gals for 23 bucks after tax. I think that's the cheapest I've gotten 12%. Hope this is enough to kill off the algae.

The pucks have been used while I was gone for a month. I used about 6 3" tabs. How much CYA does that add? In CA there has been a lot of rain while I was gone. It rained for 2 weeks straight and then kept coming back for another 2 weeks. So maybe some CYA overflowed out with the rain water. The...

I'm back with some results, though not complete: Gallons ~25000 pH 7.8 Alkalinity 90 Free Chlorine 0 (tabs in the pool but the low CYA might affect its effectiveness?) Total or Combined Chlorine 0 CYA (aka Stabilizer) 20! Calcium Hardness 200 Water Temp (Cal-Hypo doesn't easily dissolve in cold...

Yes, that problem eventually faded away. Now the problem is back and this time a lot worse. I'll be ordering a test kit this weekend. In the mean time, I'll try to get a reading from Leslie's store. They don't use strips for CYA test and I think it may be good enough info for you guys to help...

I'm losing this battle with what appears to be very stubborn green algae that is stuck to the bottom of the plaster pool. I can brush some of it away but most of it is VERY VERY stubborn. A steel brush helps a little but it's also spreading everywhere. I came home from a month long vacation to...

Thanks, that's what I figured. I've been cleaning it manually. It works but it's not the most convenient way LOL.

I'm trying to figure out the features of this DE filter tank that we have and it's fairly old, 15 years or more? I have the 2036 and the label on it describes a backwash procedure and mentioned about a backwash handle. Well I looked and I don't see anything on the bottom of the filter tank. So I...

Thanks. Will try the chlorine/vitamin C methods. Also posted picture of problem. See above.

I live in Los Angeles. I filled it with regular tap water. And I do not have a heater. This started happening just about a week or so ago. The last 2.5 months the new water has been fine for the most part, and no funny colors showed up, until last week. 95% of the pool bottom is covered with...

My pool turned green and so I went and got a bunch of liquid chlorine from HD to shock it. Prior to shocking I adjusted the pH since it was a little high. I tried brushing and I realized that my plaster pool bottom also turned green and brushing it barely pushes the green stuff away. I shocked...