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I talked to a guy today who has already jack hammered out his old skimmer on a 20x40 concrete inground. He was planning on sliding the new one in and siliconing it to the old concrete. I dont do a lot of work on concrete/gunite pools. What is the proper method of replacement? Do you need to...

Lately I have been running into a lot of older pumps that have trouble holding a prime with no air leaks or obstruction. I will prime them with forced flow from a hose and rag in the skimmer, they will seem to run ok, and then slowly lose prime over night. I dont have an amp meter and Im not...

does anyone else on this cite ever work with hot springs hot tubs? On the heaters and circ pumps they have a double spring clamp that is so hard to get off. I know a tool exists to get it off but I cant find it. All the automotive tools I have looked at are for single prong clamps and are not...

I have some questions about correcting red green color blindness with pigmented contact lenses to be better able to see the numbers in the Ishihara test.

I was wondering what you guys think of the taylor profesional kit. Is it any more capible or accurate than the TF 100? Any faster? heres a link to it: http://www.poolcenter.com/taylor_test_kits.htm thanks for any comments. I am loking to use this in a proffesional capacity. I usually just...

pool and spa news did a test comparison of some test kits. heres the article http://poolspanews.com/2008/092/092n_testkits.html after you reasd the article on the right you can access the actual results. I was having trouble interpereting them to see what is the best test. It seems as if the...

I have never seen anything on how adding CYA effects a pools chemical balance. It is an acid, so how much does it effect PH and ALK? Does anyone have a ratio of what to add per pound for every pound of cynaric acid added? This might be difficult since it takes so long to disolve. I usually...