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Location : Dallas area, Tx It's been a few years since I tested CYA in/outdoors, water temps, etc so I decided to repeat the tests to see my results. I switched to Indoor Testing July '20 after numerous testing showed that the differences between Outdoor Testing, on a clear day around Solar...

I have a Pentair Fiber Tank 180007 (36 Sq Ft) that I had installed last July to replace a leaking 35-Yr old Nautilus Stainless Steel Tank. The Pentair Tank is running great but I have a question about the 98209800 High Flow Manual Relief Valve Barb Outlet where one can install an extension...

Does it matter if CYA tests are done with the Pump on or off?

I installed the TFT 0-30 PSI Gauge April 2015. It's been great; a lot easier to read than the 0-60 pool store gauges. It looks like I encountered my 1st TFT bad gauge issue though. The gauge needle isn't returning to 0 PSI with the pump off. The needle reads ~2 PSI with the pump off. That's...

I've been looking at the cost savings with the .25Lb size vs the standard 10g size and the savings are significant but I was wondering if it's a tradeoff vs possible powder shelf life issues. Does anyone use the 25Lb size for their tests and has had the shelf life factor offset the savings...

I have a question about Cal-Hypo and FC dosing calculations. Background: - 15,000 Gal Plaster Pool - D.E. Filter 36 Sq Ft - FC Testing tools: R-0870/71 FAS-DPD with Taylor 9198 vial (10mL sample) and SpeedStir. I've been using the TFP dosing method (Bleach & FC/CYA ratios) for about 2 years...

- Gunite CH Pool 15k Gal. I have a question about the Pool Pump on time and the effect, if any, with standard water test results. I usually test my pool water after the pump has been running about 5-6 hours. I draw the water sample from about 12" below the surface, using the same sample...

I've been thinking of getting one of the larger Taylor Comparator Blocks (9058, for example) for testing pH. Why does Taylor provide 2 sample sizes for pH tests? The R-0014 test is usually referred to as the "residential" test and the R-0004 test is referred to as the "pool...

I have a couple of questions about what everyone is using for their CYA testing tools. I'm using the Taylor Mix Bottle #9191 : Here's the TFT Mix Bottle : What is the difference between the Taylor Mix Bottle and the TFT Mix Bottle? Does the TFT Bottle work the same way as the Taylor...

I recently installed the FlowVis® Flow Meter. I was wondering what other members are seeing with their GPM readings on their pools. My info: - In-Ground 15k Gal kidney-shaped pool - 2" Piping - Pentair "Challenger" single-speed Pump; no specs available - Pump/Filter are close to pool - D.E...

I have the Pentair 2" DE Multiport Valve P/N 261152 . It was installed about 3 years ago and has been working perfectly until a few days ago when a small leak developed under the Handle. I hadn't previously removed the Valve Top Assembly so was unfamiliar with the valve assembly until...

My pool is running good, no issues known, water & tests all ok. Is it ok to run the main recirculation pump continuously 24/7 with a D.E. Filter? Someone told me once that a D.E. Filter shouldn't have the pump running more than 48 hours continuously as it will "super-pack" the D.E. onto the...

Hi, I'm about to order the FAS/DPD Chlorine & CC's test kit and have a question about the Ch Sample Tube. - Does this tube base fit on the Speedstir base? I think it does as that's mentioned in the Kit Hardware description page on the site. Just wanted to verify. - Would the Taylor...

I bought the PSI Gauge at TFTestkits.net and installed it. It's working great but I have a question about a sticker that's on the Gauge referencing a pressure bleed cap to use it if the PSI reading is inaccurate. How often, if at all, is it necessary to bleed off any internal pressure...

I have a D.E. Filter with a Pentair 2" Multiport Valve P/N 261152 . I've been looking at replacement Sight Glass part information and I'm curious about a particular Sight Glass. The Pentair P/N is 272550 "Sight Glass w/Vacuum Projector". My original Sight Glass is an OEM "Praher" P/N E-17-S1...

Is anyone having problems accessing the pool calculator site? I've tried with IE and Firefox (Win 7x64) but the "Could not connect..." 'net page keeps appearing when trying to access the site. I'm using the old calculator site for now which is accessable for me.

Does anyone use the Taylor 4088 movable-dot testing vial for CYA testing? Is it more accurate overall, vs the standard vial test (adding reagent until the stationary dot disappears)? [edit] I just found this thread: http://www.troublefreepool.com/threads/45633-Taylor-CYA-Test-View-Tube...

Background info: No current issues with pool; water looks good, etc. 15k Gunite Pool DE Filter Current filter PSI: 15 Location: Dallas, TX Test Kit: Taylor Kit distributed by Leslie's. Purchased at Leslie's Pool Supply. I don't know the Taylor kit # but it's the standard kit with the...

Hi, all. New to the forum and to self-chemical maintenance. Most of my info is in my Sig. I started treating my own pool about a month ago. I had been using a chemical maintenance Co for many years, with mostly good results but I've always been planning on handling my own chemical treatments...