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I had a Sta-Rite 400k BTU NG heater. It died and got replaced with a Hayward low nox NG heater - same BTU. I could be wrong but it seems like the new one is more expensive to operate than the old one. Is that possible? I live in Texas where it’s hot right now, and it’s easy to see in NG gas...

Update for anyone that searches for this — fixed! Turns out, when I put the top of the blower on, the foam was not setting correctly and covered the hole that sucks in air to the motor. It’s been fixed for two months now running strong and regularly! Check your foam if you have this issue!

Spa air blower stopped working. Assumed old one dead and it gave me reason to replace it anyway. Purchased and DIY installed. Old: Model 1-516-03 1.5 HP 240v 4a 60hz. New: Silencer 1.5 HP 240v 3.8a. Installed a 240v toggle switch on blower. Blower Connected to a Lens Gordon 240v relay...

I have several areas around the pool where I need to fix the cracked joints between the flagstone. After some research, I tested a spot (the long brighter center line in the first photo) with veneer stone mortar, given it’s Type S properties. Turns out, it’s much lighter than the existing...

I'm DIY capable but only have owned a pool for 3 years. I've noticed the stones on the spa are getting loose and one can be completely removed (shown in pic). What do I need to buy to fix this? I have no issue with removing the stones and redoing stuff as needed. Is it mortar? Any sites or...

Thanks. I do not know how old. Likely original to house - late 1990s - unless otherwise replaced before then. I can't even find the model number on the outside of the heater. I am resourceful enough to remove and fix as necessary and could certainly soldier in another LCD screen if needed. Do I...

LCD has sections that work and some that don’t, so it’s hard to make out the current or set temp. It can be done simply by going +-10 degrees or to max and counting down. Anyway, how do I fix this? Does a membrane replacement fix this or do I have to replace something else? Everything works...

Thanks all. Chlorine puck looks like it did the trick. We'll monitor. Had a few storms roll in while gone, so either sap or definitely could have been ducks. We've got them around here. Usually I'm on top of it when I see it in the pool but given we we're out, that could have been it.

Wife suggested tree sap? Thoughts? How do I remove?

Been maintaining pool for 3 years with chlorine and TFP methods. Came back from vacation to this. What in the world is it? I can't remove with a pool scrubber. Pool had chlorine added in liquid and tablet form while gone. Pool is clear with exception to this. I've not ever used any ironizer...

ugh.. my username is living up to it's name. Pentair VS speed pump ran dry for about an hour. Won't worry the group with the detail. I've reviewed other threads TFP about the event and others freaking out. I understand. However, in my situation, it seems like the pump is not as aggressive...

I don't have any plastic seal with it or anything. Do I just use standard PVC glue to seal it to the waste outflow slip?

I'm about to DIY replace my existing cheap backwash filter with a Multiport valve. Model 261142. High flow valve. Got a sight glass in the package but it's a huge 2 inch piece just like a small pvc pipe. One end threaded, one end not. How do I attach it to the Multiport? All the multiport...

Manual dosing right now with TFP methods but considering a switch to a SWG. Should I be concerned about any long term effects of using standard salt PPM requirements for the SWG? Plaster issues, discoloring, etc? do you use sacrificial anodes in your pools? I don't have a diving board or any...

Thanks!

If I use/aim/have a lower CYA level (as suggested at 30-50), I've understood that means I technically need less to chlorinate the pool. But, that does not necessarily speak to the loss per day. Would lower CYA levels result in more frequent additions of liquid chlorine? Is there any...

darn okay. ;)

Dealing with CYA 70 even after 1/2 drain. Using liquid chlorine for about a week. 20,000 gallon pool. Using about 1/2 a gallon of 10% a day ($1.80 per day) to stay at chlorine 5-7ppm. Pool looks great. Active sun and TX heat. I wonder if calcium hypochlorite is a better and cheaper long...

Seems like this topic has been covered here a little bit over the years... but, I'm interested in whether it's possible to DIY a reverse osmosis setup for occasionally dropping CYA and other levels to acceptable levels over time rather than paying $500+ for a truck to do it in 8 hours. Thoughts?

Thanks!

Welcome to TFP! I am also new and can attest to these links and knowledge. My CYA was 125 and I was chlorine locked with algae. Drained half the pool and refilled, down to 70. Still not ideal, but I'm working with it. I was using Trichor tabs but as of yesterday, I've moved to liquid...

Great. Many thanks to both.

This article seems to re-emphasize many points made here in the forum about chemical relationships. Thoughts on the recommended formula of free chlorine should be 7.5% of the pool's CYA level? And, BTW, The Pool Calculator is great. New Thinking: Chlorine/Cyanuric Acid in Balance

2006C kit on the way. I'm looking to move from Dichlor to liquid chlorine and want to monitor salt. What do I buy to complement the 2006C kit already purchased?

Pics attached. - - - Updated - - - Pool store test results below. taylor 2009C test kit on way (replacing cheaper kit from Lowes). Shocked yesterday as I have noticed black mold starting and just now understand why. these blue streaks have been there since we bought the house a year ago...