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But will CYA drop 30ppm in a week without a water change? If my testing is accurate then where did it go? I've read everything I can find on CYA testing and I'm sure I'm doing it right, but for me it is the most difficult test to read. Sent from my iPad using Tapatalk

Yep, started the slam an hour ago. I added 5 gallons of bleach to bring my FC up to 20, but just want to verify what level I should be shooting for.

Hey guys, I need a little help. I turned the SWCG to 100% Sunday evening. My FC levels are as follows Mon 2.2 Tues 3.4 Wed 5.4 Thurs 3.0 OCLT=2 Fri 0.5 OCLT=3 So it seems like the SWCG was staring to catch up, but now things are definitely getting worse. My CYA results are the following 7/9...

Well OCLT last night was around 2.0 so it looks like I'll be starting my SLAM this weekend. Sent from my iPhone using Tapatalk

Our spa takes over an hour in the summer and sometimes 2 or more hours in the winter. We use an app on the phone to turn it on because we usually decide to use the spa while we are out to dinner. Sent from my iPad using Tapatalk

5.4 FC this evening. I'll shut down the pump and 30 minutes later start another OCLT. Sent from my iPad using Tapatalk

BTW, does anyone have a SI calculator I could cut/paste into my spreadsheet? I've searched but can't find one. Sent from my iPad using Tapatalk

Thank you! I have a spreadsheet that I am using to track my testing and I had already copy/pasted your calculator into that spreadsheet for handy reference. I think my run times will vary based on season and air/water temperature correct? My pool equipment is integrated with my home automation...

Yes they make a stamp to look like a rock salt finish. If they do it right it looks pretty good. If they do it wrong you'll see the seams from the stamps or worse. 3,000-3,500-4,000 psi should all be fine for a deck. I would spend more for 5" 3,000 rather than 4" 4,000 psi. Concrete is cheap...

Thanks for the replies. Will definitely redo the OCLT tonight. - - - Updated - - - ????

Hey TFPers, This is my first request for help. I posted some advice on a few threads yesterday to try and help out before I jump in with my request. Trying to contribute...... Anyway, I just fired my pool guy, found the TFP forums and bought my first K-2006 test kit. I've been doing a lot of...

Personally, I don't see that it would be a problem, but I live in Florida so YMMV. Ask your concrete guy if you can see some of his older projects to see how they are holding up.

I think the sch40 bushing will need a coupling to attach to the 2" pipe. I don't think the bushing will fit inside of the 2" pipe. I still suspect an improper glue joint. I proper glue joint wouldn't have failed on the DWV reducer, I think the fitting would have broken instead. Glue joints...