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Hi, my Infinity edge pool has a negative edge on two sides. When the pump is running, one catch basin is about 3 inches lower then it should be and when the pump is off the water level raises back up 3 inches to the proper level. I have noticed the other catch basin on the opposite side has a...

Hi. I've successfully used my sense and dispense auto chlorinator for 5 years and now the line constantly gets blocked by what looks like wet baking soda. When I clear the line and the entire pathway (tube, injector (taken apart and cleaned)), it works for a few days until it gets clogged again...

Hi, The stenner pump is pulling chlorine around the rollers and out the the other side. Chlorine is dripping out when I remove the tube on the outbound side of the pump. When connecting the tube, no chlorine comes out at the end that connects to the PVC. Nothing is coming out of the tube...

Hi TFP, I have a multi-tool oscillator with PVC attachment. Will this work for cutting 2" sched 40 PVC? It's a tight spot to access. I also have a PVC foldable knife if that's better. Thanks, AJ

Hi TFP, If the water is flowing the direction of the arrows what happens with the water near the check valve (circled)? I have two stenner pump chemical injectors and will they mix with the water or is this a problem where they are located? The nearby flow switch shows not enough flow is...

Hi TFP, If the flow of the water is the direction of the arrows, will the chemical injectors work in the position they are located? Currently I have the water flow going through a bypass (different direction). The flow meter definitely isn't working with the flow of the arrows. Thank you!

Do I still need to clean de filter after a very small amount of algae?

Hi TFP, I have a Hayward omnilogic and the pool/spa actuator used to turn by itself. I turned it manually using the button on the bottom and wver since I did this it won't turn by itself anymore. The bottom switch is in the middle position. Thank you for your help.

Hi TFP, I've noticed that almost zero water is coming out of the spa returns when the omnilogic is set to "pool mode". The valve automatically changes to divert to the spa when in "spa mode". Is there any way to have it so some of the water goes to the spa and the pool simultaneously? Maybe...

Hi TFP, I installed an AOP (ozone) system that has a manifold valve the controls water flow. Before the system, my clean filter PSI was 17 and after installation of the AOP, my clean filter PSI is now 30. Post install, it runs at around 9 PSI on a lower pump speed. Is having a much higher...

Hi TFP, Any ideas on how to safely remove the pool cement from my filter? Thanks, AJ

Hi TFP, I have a first choice brand in-line chlorinator for a fountain and it's providing too much chlorine to a small fountain. I have the flow valve set on the lowest # to produce the least amount of chlorine but it's still too much. Here is a pic of the product...

Hi TFP, I have a pool with 2 large infinity spill over edges. I need to run the spillover pump all day since the tiles are black and get very hot in the sun. I taylor kit tested TA 5 days ago at 50 (24 hours after adding baking soda). Five days later the TA is back down to 30. Should I just...

Hi TFP, Does anyone understand why when I change my Infinity spill edge VS pump from low to high that the water level becomes much lower in the basin? I don't have an overfill drain (I do have auto fill). If the infinity pool is already full of water, where is that water going in the basin...

Hi TFP, Does anyone know why this diverter valve was left by the pool builder in the partially closed/open position. Can you determine what this valve controls? Thank you, AJ

Hi, TFP, I had to open my filter the day after cleaning my filter grids and I noticed the grids look as if no DE is on them. Someone mentioned the DE is new it remains in the water in the filter and goes back on the grids when the pump is on. I drained water in my filter to open it up so do...

Hi TFP Experts, Is it possible to combine two stenner pump feeder tubes to one tube ('Y' splitter)? I want to have two stenner pumps pull liquid from one pentair acid tank (there isnt two holes in the tank for a 2nd tube). Any ideas of how to make this work? Trying to avoid drilling another...

Hi TFP, When the spa jets are on at the same time as the spa heater, the water comes out warm instead of hot. It's my guess that the water is coming from the cold pool instead of the spa. Any suggestions? Thank you.

Hi TFP, My backwash was plumbed so that the end of the line ends up in my front garden and white DE is getting all over the plants (along with the pool water and other chemicals). I'm told that they used a 2 inch pipe with a 3" cover. The picture with the measuring tape is the end of the line...

Hi! My wife is a microbiologist and is concerned about 2-3ppm of FC in the pool I've noticed that I need FC closer to 5-6 to prevent algae. TFP says FC up to (pool specific) slam levels are safe for swimming if the water is still clear. Do you have any science to back this that I might share...

Hi TFP, My spa jets has water coming out when in "pool mode". Not a big deal but I think it might be affecting the amount of water pressure coming through the jets in the pool. I also noticed that when the spa massage Jets are on that the amount of water pressure coming through the pool...

Hi TFP, I have a Hayward ORP system (I know it's not loved on this forum) and the ORP seems to not catch up to the set ORP level (it's always a lower # than the set point- I just slammed the pool a few days ago and the combined chlorine is less than 0.5). I noticed that the Chlorine pump is...

Hi TFP, My pool passed the overnight chlorine test this morning and I now have a pool with 12 FC. I know that the PH test is inaccurate with high chlorine levels but I'm certain the PH is high and I don't want to have calcium buildup as a result. Should I just dump some acid now or should I...

Hi TFP, Can anyone let me know what happens if a stenner pump delivers acid while the pool pump is off (no water flow)? One member said that the heater copper could corrode but I am using this in a fountain with no heater so could it affect anything else (the pool pump, the glass tile in the...

Hi TFP, I have a water feature that is separate from my pool but has a Hayward pool VS pump and filter. The PH is extremely difficult to balance and I'm assuming it's because of the following reasons: *Large size of the waterfall causing aeration *Evaporation of water and autofill...

Hi TFP, My main goal is to prevent scaling as I have a BLACK granite raised negative edge pool (water overflows on two sides). Is a slightly negative CSI the only number to be concerned about? I have read that a low PH is important for scale prevention but when I keep my PH on the low end...

Hi TFP, I have a dedicated VS pump for a raised negative edge spill over. I recently noticed that the water is no longer spilling over the entire wall causing dry spots when the pump is on low speed. I did recently clean the filter and change from de to aqua perl (de alternative). Filter psi...

Hi TFP, I have very slight algae that is mostly only noticeable when brushing because I can see the 'algae cloud'. There is almost no algae in the pool and the there is slight algae outside the pool around 'floating steps' that are surrounded by pool water (they are in the shade and have poor...

Hi TFP, I have a new build that includes raised black granite tiles for the infinity pool spill edge. There are a few grout lines that are always wet prior to the spill edge pump turning on. I'm concerned that water might be coming from the pool. Kindly share your thoughts and below is a...

Hi TFP, Loving TFP, thank you all! My microbiologist wife is totally against having CYA in the pool. We have a liquid chlorinator and are OK with spending extra $$ for additional chlorine that may not be be needed with adequate CYA levels. Any concerns with this setup other than the spending...