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I have a Pentair Mastertemp 400 that's leaking. It looked like the water manifold was leaking so I replaced all the O rings. Now I have water dripping out of the white plastic air inlet. Can anyone tell me what I need to do to fix this? Thank you all and Merry Christmas to everyone!

Well, it’s time to buy another robot. I’ve had a M500 before and thought it did a great job. I see there is a M600 now. Which one is the better of the two?

I'm helping my neighbor install his 20 X 44 in ground pool. We got it running over the weekend but his multiport/valve is leaking a small amount where it connects to the filter from one connection. He has the TR-100 side mount filter. The O rings look fine. Does anyone have any suggestions as...

We have this in our plaster pool. What is it and what is the most effective way to kill it off? Thank you.

Can anyone tell me where to get some plugs to put in the mounting holes in the deck from a basketball goal and ladder handles so they are not a hazard over the fall/winter?

Is there such a device that will capture the heat generated by a homes central heat/air condenser and transfer that heat to the pool? Seems like if you could use the pool water to cool the outside condenser coil when the house air conditioner is running that would essentially be free heat since...

I believe my pool is about 35,000 gal. Initially the online pool calculator said I had 38,000, but I figure with the flat shallow end and the angles of the deep end its about 35K. At lease when I use pool math my changes in FC are closer to what it says they should be using the 35K value. I...

Are the numbers in columns FC? So if the color matches the 4 spot, is my FC 4? I know one number is for chlorine and the other is Bromine I think.

I have a 20' X 44' in ground vinyl pool. Aprox 38,000 gal according to an online volume calculator. Its new and been running about a month. Currently I'm getting my CYA up where it needs to be. I also have a Aquamatic auto cover and we will keep it closed when not in use. I want to set up...

I have a pentair TR-100 and a pentair Inteliflo VS (3hp) pump. I have installed a Flovis check valve / flow meter between the filter and heater. I think the pump is capable of 140 GPM. I'm sure this is the max under optimal conditions, but it will peg the flovis at 100 GPM pretty easy. I...

New pool build. Questions about proper testing with the TF-100 & what products I need We finally got our pool finished. I am blessed to have the best neighbors in the world who made our DIY pool possible. This is the first pool any of us have put in. I am familiar with pools and have helped...