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Some data of interest to pool designers Welp, I can now give up some data that might be of interest. I'm finding that, in fact, my planning is working out better than expected regarding heating. I'm finding that I can actually keep this small pool 6000 gallons quite warm with deadfall...

Further research: the vacuum head in the bottom of the pool is showing white. Its the white plaster that is dirty, rather than the water. Overall, it gives the clear impression that the water is green. But it is dirty plaster that is causing the impression. I drained a few inches to be...

rural/well pump. It'll do it, but its hard on the gear to deliver that much water. I'll give it a while longer, I've stalled my patients till after the holiday at this point. I can always dump it if necessary.

Thanks Bobo. My instincts are like yours, but I'm way beyond normal shock. Still can't get any coherent readings. Can't believe its algae, even though the residual from the leaves is indeed green in tint. The 60 gpm pump has filtered the entire 6000 about 30 times in the past 2-3 days. Just...

This morining, its the color of lime gatorade.

Thanks Dave. There's only a little CYA left in there. I'm trying to lose it because it can under some circumstances cause kidney stones for dogs. thanks for reassuring me, I'll just keep the pure chlorine high and keep cleaning the (10 micron) cartridge. Sorry for the incomplete chemistry...

6000 gallon dog therapy pool (plaster). My plastic cover blew away and the pool got fouled with quite a bit of leaves before I returned. October) I've fished them out; running the 60 gpm pump (cartridge) 2 days. Can't seem to get the discoloration out of the water. Tannic acid, I suppose...

Re: Trying to build small homemade pool -- need guidance ple Well, it took me a while; and it is not nearly done. The bum knee is long ago on the mend. Whatever. (His mouth is hanging open because he's carrying a tennis ball back up in there. The ball is the thing, you know.) A plasterer...

I'll have to admit to you both: a 3000 btu electric heater with a plastic tarp cover is barely keeping the masonry from freezing... don't have a thermometer in there, but I'm guessing 40F. .. Thank you both for trying to help me. I really dread having to buy propane.. I have not been able...

Bk, Thank you for helping me. We are in a rural area and do not have natural gas available. Whatever fuel will have to be brought in on a truck. I respect and understand your skepticism. For now, I'm trying to insulate the structure as well as possible. I'm also going to work hard to make...

My current daydream is to pipe warm air from a wood-fired hot air furnace. Current: What do you folks think of this skimmer arrangement? (I had to reduce the clarity of the cannon image for the website.

Now that he's gotten everyone's attention, he summarily walks off the stage... I apologize for the delay. I've gotten distracted by the heating system. I'm going to try an experiment of piping hot flue gas directly under the pool. The attached Sketchup image is very rough, but shows the idea...

Thanks Ted and Dave. Ted, the 'official' frost depth here is 18 inches. What is it there, 48"?

Here's another dilemma that I can't figure out: I want the pool to be available in the winter, hopefully without too much fuss. It happens to be bitter cold here now (unusual for early December) so I've been focusing on frost damage issues. Then I discover that one technique is to control the...

A very narrow ramp down to about 2 feet of depth. If they aren't swimming by then, I'll give 'em a shove. I figure 18" wide ?? The trick is to keep the slope very shallow, for lame animals. I hate giving up the valuable space, but there's really no way around it, is there? I think it can be...

There's nothing in the hole to present except some 2x6 form boards. As soon as I have it ready for the concrete truck, I promise I'll bring it all and internalize every comment before I commit. I need the wisdom here, because I have no experience with pools at all. I know dogs pretty well...

Ted, thanks. While I've got the sides open, I'm trying to get the plumbing right. What if I mount one of these thingys in the middle of each of the four sides:http://www.poolcenter.com/accessories_misc_supplies-eyeballs.htm and run the return right around the 'waist' of the pool? Would that...

It is so cold this morning that my gravel pile is frozen solid. Maybe early afternoon... To Dave and Dman, I can't tell you how much I appreciate your willingness to engage. Soon as I can stop shivering, I'll post some pics including the 3-year old used gear that I acquired Saturday for a...

Dave, Thanks for the willingness to comment. Sorry, by UV, I was referring to the UV light tube which simply irradiates the passing water to kill bacteria. Within 24-48 hours, I'll have the job ready for the concrete truck. I'll get you some pics and collect your thoughts before I call the...

Hi folks, Building 12x16x4 rectangular concrete for canine therapy purposes. What height is optimum for returning water to pool? (I'm planning 1 skimmer and 1 simple return -- 2" pvc. This pool is not for aesthetics, but for working with injured canines. I've worked out drainage so the pool...