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So I got the taylor ch kit and you guys were right. Ch is much higher. I'll take a few measurements over the next few days to get an average and base my calculations on that. Thanks again. I'll also try to figure out if I can backwash more frequently to compensate on the long run.

Hey Marty, Thanks again for the info. I'll try to figure out how much more frequent backwashing can help. It's a shame though as I'd be losing so much. Maybe I'll also think about a water softener. I used to have one but it broke and decided to replace it with the descaler. Anyway, we'll see...

Hey Marty, Thanks for that. I was going off track in my mind and you dimmed it down for me and it makes sense. Seems my area's evaporation rates would render my pool to lose about 25k per year. So it seems to be about the same as for you, once per 8 months. So you haven't tried to control it...

Hi Both, You are right. I should get the recommended test kit. I got misguided earlier this year by the TA test which ended up being replaced by a new reagent (hopefully more accurate). I need to let this one go or rather have both like some others here. I'll get on that today and will also...

Hi Everyone, To preface: the question is how to raise CSI slightly (and further prevent it from dropping / controlling it in general) as the trend seems to be leading to a negative out of range due to unexpected (and maybe temporary) low CH in fill water. I'll mention that I read many threads...

Hey @TheDeuce , Thanks for the info. Yeah, it seems like a product that may only be sold through installers. One side of my decking has pavers and I figured that all that is needed is to remove some and cut some others to match the housing size. Drop the box in, screw it down and that's it. I...

Hey @TheDeuce, Would you mind sharing the cost of that system. Looks like a perfect solution to me. Not fully automated where it would be thousands yet still easy to use and well hidden. Did you have it professionally installed? Do you know the cost of the product alone as I imagine installation...

A quick update from my side for anyone else that may need this information. The Lamotte folks were very kind and really took care of me. That said, the new TA reagent, 7039-G, has a 6 month expiry date. I was puzzled as the old reagent, 7038-G, always had a 1 year expiry date. The Lamotte...

Ok thanks. To get a clear picture of where i went wrong, I was double checking where it was that was indicating that CYA must be subtracted by 1/3 all the time (now I see this would have also included BOR). Couldn't find a clear answer. But I am glad that I won't need any of this using PoolMath...

Hey @JoyfulNoise, I do have 2 more Q from my side if you don't mind... - Most literature related to TA talks only about how it controls PH fluctuations. Given good overall numbers, what if TA was out of range? Any other concerns other than PH fluctuations? That was one of my initial concerns. -...

So great news! I called Lamotte today and they will send me a replacement reagent that should arrive to me by Friday. Thank you Lamotte! ==>>> A very important thing to note is that TA reagent 7038-G is replaced by 7039-G. Do not buy 7038-G!!! Certain online listings still seem to show 7038-G...

Hmmm, good point. It's higher flow / feel (massage factor) vs higher temps. Trying to fill out the excel... Am I correct that the position of the panels on North side vs South side of the roof would be controlled with row 80 where 0 is North and 180 is South? And given all other variables...

Hey Mark, Thanks again. Ok, yeah I knew about the diagonal but wondered about other factors and so it seems not too important. Got it. I was planning on taking the 2.5" to the roof to keep the most flow for the waterfall. I think a good flow with highest possible temp would be really nice...

Hey Sparks, Please note that I am by no means an expert. Just a home owner that understood that straighter and bigger is better and not that much more expensive. You know plumbers get those pipes for even cheaper. So I pushed hard to get the max possible that made sense. Also two 45 degrees will...

Hi Mark and other experts, If I could pick your brain once more for 3 additional questions highlighted below. As mentioned above, I purchased 8 used Heliocol panels that seem to be in good shape. I won't be installing too soon but rather around the end of the season. Yet, I want to start...

Sparks, About the plumbing / pumps, here is what I can tell you. It may be too late but still... I subbed all work myself 9 years ago. Digging, rebar, electrical, plumbing, shotcrete, finish, decking, etc, etc... No pool company. So I knew exactly what and how and why I wanted things. It was...

Hey Matt, We just replied at almost the same. Thank you for adding your input. I can now see how it all works (thanks to Marty and your confirmation thereafter) and will surely consider from now on that fill water is the culprit here as opposed to my original assumptions of SWCG. I believe that...

Hi Marty, I think you just opened my eyes to a major missing variable that I have not been considering all this time; Evaporation vs. fill water. Better not assume that my pool lives in a vacuum :oops:. I checked the 2020 Scottsdale report which shows: Given the above numbers, we can more so...

Jim, I have some calcification on my water line due to previous years when PH drifted up to 8.2 from time to time (my bad) so I want to keep it as low as possible. I already adjusted the stenner pump (MA) to bring it back to 7.8. I'll keep it in mind that 8.0 is acceptable and probably not a big...

Hi Jim, Ok, I will contact Lamotte about the TA. Mine must also be defective. So, I'll consider the TA reading wrong for now and attempt to get a reading from the pool store for my sanity even if off by some margin while waiting for a replacement which hopefully can be sent soon to me. I'll look...

That, I have no doubts.

Thanks Chris! It is a Lamotte Colot Q Pro 7 plus. I've had it for many years and it's been very reliable and easy no guessing to use. I believe it is well know here also. I did not buy it from Amazon at the time but just like this...

I just performed multiple TA tests. The pool's water gave me 34. My expired reagent gave 99. I didn't do any further with expired reagent. I then used tap water. A quart of it and only used the new reagent. Pure tap water showed TA of 38. I added 24g of baking soda mixed for 1 min and got TA...

So I must have not searched properly earlier. There is loads of info on used panels already... https://www.troublefreepool.com/google-search/?q=Buy+solar+panel+used

Hey @mas985, I need to thank you once more. Not only due to this thread but some older thread where you told someone else also living in AZ to try and find used panels. I can't find the thread now but you said something like "there are always people selling solar collectors there...". The moment...

Hey Ice, I don't unfortunately. I only have old reagents that are expired for Lamotte also. I'll try and see what those give. I also have a doubt that the TA reagnet could be bad that's why I posted the info about it, being new. Wondering if it is possible that new reagents sometimes are off...

Hi All, I recently installed a stenner pump to fight my constant PH rise due to SWG, aeration (waterfall / grotto style) and kids splashing "vigorously", I emphasize, everyday. I got the stenner pump tuned and PH is sitting nicely at 7.6 as of a few days ago but i also noticed that ALK is at...

Assuming age cannot be determined, and the lack of leaks and problems cannot be identified when buying used, are used panels a good idea Let's assume they are 10+ years old and maybe even sat in the sun without water in them for longer periods of time. I can fix leaks but will I be buying...

Ok, got it. Makes sense. Thanks a bunch mas and others. So it is not easy / worth it. And after the lising you showed, this is reasonable. I'd probably need a few of those to get decent heat in spring/fall but my back will thank me for 1 less project to build from scratch. I don't know why I...

Thanks mas for your help and explanation. I understand somewhat what you say. I wish I knew this stuff myself but it unfortunately takes quite a bit of underlying understanding to get to a certain decent point. You mentioned the position of the node. What if each panel branches off at the same...