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For the chlorine/acid feeder: The Stenner Pump Company is a manufacturer of peristaltic metering pumps since 1957. These work well.

OK OCLT was negative. I had an overnight loss of 0.5 ppm. So I am going to watch this a few days and report back. Preliminary observation is that I am getting some increased production out of my cell. Yesterday was a hot humid sunny day and I was able to end the day with a 2 ppm loss at...

I really thought the same thing. However, with the new variable speed pumps is it possible to have a low enough flow to satisfy the cell flow sensor but still not enough flow to allow full cell production? I think it is possible. I am going to do the OCLT tonight and watch my levels. I think...

FC=4.0 CC=0 CYA=80 TA=150 CH=230 pH=7.5 Temp=81 Salt=3300 CSI= -0.13

I have not done that but will tonight. The frustrating part is my water looks fantastic clear and sparkly. I just think that either the cell is not producing what it should or my demand is too much. I started with a FC of 4 yesterday afternoon. Added 1 gal of 6% bleach and would expect a...

I have a 22,500 gal IG pool with a Pentair IC40 SWG. This is my 3rd season on the cell. I also have a Pentair Intelliflo VS pump. My first year no issues with chlorine production but last year and again this year I have noticed that I have to supplement with 6-8% bleach (about a gallon a...

Thanks for all the great comments. Built the pool last year and the sun beat us to death. Thought about this all winter and came up with this design. I don't consider my self a carpenter and I have to admit that at times I was in over my head but being the stubborn guy I am I pushed through and...

Hardware really sets it off. Ozco.com. It is strong and functional as well. I found it at our local lumber yard. Had to order it as it was a new line they started carrying and I was their guinea pig. Now they are stocking some of it. Their post bases are great. The hex caps are really cool too...

All Western Red Cedar, Post and Beam construction.

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Just thought I would post pictures of my new Pergola that I built. It was a lot of work but I am very pleased with the results.

Just added a Pergola. Seems many contractors like TWP. We have used it and like the colors. We chose Pecan for western red cedar. Can't give you much feedback on longevity but it was easy and looks great.

Last season I would drop the pH to 6.9-7.0 then aerate to raise it back up. I could not get them below 110 though. I am hoping that this year I will not be starting with a big fill so I am hopeful that with feeding MA at some constant daily amount I will have better control. I looked my...

So you would forget trying to automate the pH control all together? I do think I can wire one Stenner pump into my easy touch panel. I just need to find a tank. I just thought that since I already have the pH controller I could use it but you are probably correct to keep it simple. I would...

We moved and installed a new radiant metric hybrid pool last year. It went very well overall. I discovered that our well water and city fill water has a very high TA (around 460). I fought hard all last year adding gallons of MA to slowly get it down. I was able to get it to around 140 by...

I appreciate your comments. I did quite a bit of planning. I chose round because it fits with our landscaping and you seldom see a round inground (sort of). I still have the landscaping to do then she will be a real beauty. It does sit well and we have a great view of our land and our beautiful...

I just wanted to post a few photos of our new 30ft Radiant Metric pool. I was the sub contractor for my pool, after 30 plus years of owning and maintaining pools this was built the way I wanted to build one. We moved into a new home a year ago and this was put in to keep a promise to my wife...

Just wanted to put my 2 cents in on this subject: I purchased a used intelliflo VS on Craigslist "practically new" and "guaranteed" to work. Got it home and powered it up to check and guess what? Pump worked but no display! Called the guy back and he refused to do anything so I thought I was...

Well stated and I think you are probably correct. I have the TFP test kit so I am assuming my results are close. I will seriously consider your opinion and work on implementing it. Hey I can always save some money. So if you had to pick the perfect FC/CYA level for a residential pool what...

I got the 700mv from a WHO study I read somewhere. From what I read at 700mv any bacterium introduced would be killed in less than 30 sec. At 650 I believe it was within 1.5 minutes. What I see from my sensor with higher CYA levels is that after a 20 minute feed time I will not see an...

I agree that the CYA test is fairly subjective and relatively inaccurrate. I say I am running a 25 ppm CYA now and all is well. I get a reasonable response time with my sensor. If I run much over 30 my ORP of say 700 could be a FC of 7-9 ppm. With the CYA at 25 my ORP of 700 (daytime) is a...

I use sensorex sensors and they have worked pretty well. Their customer support is great. From my experience (residential pool now, commercial pool experience past) increasing the CYA blinds the sensor. The higher the CYA the less responsive my sensor becomes which results in overfeeding. I...

I have a Polaris watermatic system and love it but the learning curve is a little steep. Cya levels over 30 really affect the orp sensor. Also if calcium level too low it also affects sensor. For me I run an orp level of 700 in the hot summer. I use about 1 1/2 gal of 6% bleach per day. I have...

Check out the Polaris Watermatic sysem. I have one and it is great.

Check out the Polaris Watermatic system. I have one and it is great.

Sams Club 6% Pro Force brand (in the resturaunt supply section) 4 gal for $5.87. Hard to beat that deal!!

Sams Club 6% Pro Force brand (in the resturaunt supply section) 4 gal for $5.87. Hard to beat that deal!!