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I noticed several dime size spots today...looks like rust but when i swam down to look it has a raised hard white center that i can flake off with my nail, but the stains remains and wont brush off. I tried rubbing viamin C on the staon and it did nothing. What is this? How can I fix the...

Build completed in September for an IG 17k gallon pool. I feel like I am having to constantly add water. In the heat of September/October (it was still well in the 90's here in N. Texas) I was filling every 3 days. Now I'm filling probably every 5 to 7 give or take. Our pool has literally...

Does the csi number matter for above ground spas or is that more important for inground pools? Reason I ask is my,hot tub is at -.8 csi. Partially because my TA is 40. But for some reason having the TA any higher than that causes the PH to always be around 8. Sent from my...

New pool owner..since September. I'm finding that I am losing about an inch of water every 3 days or so. In September when it was almost 100 I figured that to be normal. Now we are in the 40s to 50s on average and it hasn't seems to change my water demand. Now the pool is in full sun all...

Was running my pump after a bckwash last night and all was well. Pressure on DE filter was back to starting range of 10psi. And pump was running fine with good water circulation. Woke up this morning and presume dropped way down on DE filter to like under 5psi. Pump also was running slow and...

Recently switched water in my above ground hot tub 350g. Now I am struggling to keep PH below 8. What gives ? Numbers are the same as before I dumped and I was able to maintain 7.6 with a rise to 7.8ish while in use. FC 7 CC .02 PH 8 TA 50 CH 170 Sent from my SAMSUNG-SM-N910A using Tapatalk

Changed out the water on my tub. Always a pain because my water has has a high TA of over 250. Is there anything wrong with adding most of the acid needed in one or two doses? As it stands now I've been adding an ounce or 2 of dry acid but the PH will be back above 8 typically in 30 min. It...

So last night there was a weird thick white foam when my wife and I were in the tub. Thought nothing too much of it until this morning when I went out to test and the water was cloudy / and had zero FC. So do I dump the water and start over or simply super shock to kill all the bugs? Sent...

Just,installed my stenner pump it's a 3gpd variable pump. What's normal run time to dose 2 -3 ppm of fc? I have run it at setting 10 for 4 hours and measured no fc rise. Sent from my SAMSUNG-SM-N910A using Tapatalk

I'm tired of adding bleach everyday....but don't want to go to bromine. Can I float chlorine pucks? Sent from my SAMSUNG-SM-N910A using Tapatalk

Just got my stenner hooked up and in the manuel it mentioned winterizing. Here in north texas we dont close our pools but we will get occasional freezes. What do you do to make sure your stenner doesn't break due to freezing temps if you use it year round ? Sent from my SAMSUNG-SM-N910A...

New pool owner. Inground, diamondbrite quartz plaster finish. I'm still balancing the water. The CSI is at -.02 currently, but my total CH is only 60ppm due to very soft fill water. Do I need to bring up the CH to 250ish or is the csi more important then the total CH number? Looking at pool...

Can stenner pumps be used for acid additions? Sent from my SAMSUNG-SM-N910A using Tapatalk

Is there a normal amount of chlorine burn off between uses? For example assuming a CYA of 30, let's say you have a starting FC of 6...the next day with no bathers should the FC still be at 6ppm and if it's lower is that indicative of a problem?

We are finishing our build on a 30x18 in ground pool. Approximately 17,000 gallons. We are required by our city to use a de filter. My question is the pentair 48 sqf big enough or are we better off with the 60sqf? Sent from my SAMSUNG-SM-N910A using Tapatalk

I've looked and read through a lot of the beggining material on the forum but can't find anything on the particulars of the CSI scale except that .6 is not good....ie don't go too far negative or too far positive. If you are on the more negative side what does that mean verse being balanced...

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Started our backyard build....Pool & Patio in early June. Here is the original design.

If you were to do your build over again - would you have natural rocks that drop into the waterline?

In the midst of our build...gunite next week. After reading a lot on here I think I want to buy a Stenner pump. I really like the tfpc method but hate the idea of adding bleach manually everyday. I asked the builder if he had heard of a stenner pump and while not that brand , he was familiar...

In the midst of our pool build and was discussing the planned weeping wall with the builder. He has concerns over time of leaks if we do the rocks at waterline rather than all above beam with a waterline tile. Is this truly a concern? I can't imagine....I see weeping walls with the rocks into...

Started our pool about two weeks ago. All was well until another big rain came through just a day before gunite. Now the walls have caved in, and the bench step in the deep end has eroded by about 50%. How big of a problem is this?

Getting ready for a build and would be interested as to what you think of this quote: Total Area: 931 Pool Area: 400 Length: 29'2" Width: 18'11" Gallons: 16,000 Depth: 3.5' to 4.5' to 8' 1 Tanning Ledge and backside weeping wall Flagstone coping, and on tanning ledge Diamond Brite quartz...