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I currently have a two pump system: 1 - Hayward 2 speed 2HP pump that handles circulation of the pool and spa; intakes from the pool and spa come into this pump, go through the filter and heater, then are split back out to pool and two lower jets in the spa via a jandy three proportioning...

I did an AA treatment of my water at the beginning of February; it made a huge difference as the plastics has turned brown from iron over the season since the replaster. I used polyquat to buffer the pool while I had the chlorine at 0, and things stayed clear. I've since started to rebalance the...

I just had a new raypak 400k cupro-nickel natural gas heater installed to replace my old Laars unit...the old heater would not fire if there was not flow through the heater. This new heater seems to not care if there is flow or not; when the heater was installed, I had the installer put in a...

Because it's easy with my SWG, I've kept my FC rather high all summer (7-9FC with 60-70CYA), figuring it would give me a buffer for high bather usage, or if there's a problem with the SWG while I'm away on business trips. I'm noticing metal staining which I suspect is due to the high FC paired...

Just want to sanity check...with my numbers my CSI is currently at -.08, even with a pH of 8.2....before I go running to drop it back to 7.8 (I'll prob do it later today or tomorrow morning), is it ok to run that high as long as the CSI is happily balanced?

From the poolmath site: Note: pH calculations are not exact. These numbers are only suggestive of the relative magnitude of the pH change you can expect. Small changes, +-0.4, with pH between 7.2-7.8, TA around 80-120, and Borate near zero will be approximately correct. The further you go from...

I inspected my cell and cleaned it this morning, and I found this leak in the body of it. I think this has been here since I installed it a month ago, as my equipment pad has been wetter since installing my swg but never noticed where it was coming from...my flow sensor leaks too, and thought...

I'm thinking about buying boric acid from duda diesel, but I'm not sure if I should wait for my plaster to quit requiring so much MA. Is there a good reason to wait on taking the borates plunge with new plaster, or am I anticipating a problem that shouldn't occur? I'm thinking since I'm adding...

Our normal method of operating our spa is as follows: Set the pump to only circulate spa water Turn on the heater Heat to high temp turn off heater and start recirculating only pool water Turn on secondary spa jet pump which only recirculates spa water If we start our heater, it will fire up...

I've noticed over the past couple of full tests that my TA is rising...could be tester error, but I don't think so. See numbers in my sig, along with what I add each day; as you can see, the only thing I've been adding since we went SWG is stabilizer or Muriatic Acid...if anything, I expected my...

I test my water every day (mostly), and I've noticed that some days my CC hits 1 (or between .5 and 1, since I use 10ml sampling for my tests), but not consistently. Check out my sig for historical test results---I did my test today much later in the day that I normally do (normally I test...

I'm going out of town for 5 days, and I'm leaving the pool care in the hands of my lovely wife. The last time I did this, I came home to a pool with very low chlorine levels (.5 or 1) and one of the skimmer weirs blocked causing air to be introduced into the pump. No bueno. Since that event...

In our backyard, we have two large oak trees, and 5 crepemyrtle trees/bushes that are around the pool. While they are attractive, they dump a lot of stuff into the pool. We cut back the oak branches, and that has significantly reduced the oak leaves that make it in there, but these crepemyrtles...

I'm having some issues with my new Si-45+, and I think I know what the issue is, but I'd like to confirm with someone who has a working unit... Can you please go through the diagnostic screens and tell me what cell type your control panel says you have? F-15 or C-15? I haven't been able to find...

The Circupool brochure that came with my SWG says it (SI-45+) can output up to 2.1lbs of CL per day...how do I translate that to determine what the expected FC input per day? I'm also assuming that's with the device at 100%...

Why is it necessary to have 12" of straight pipe before the flow sensor? I accidentally left out some of this in the heat of the plumbing moment, and things seem to be working fine even though I'm slightly short on this. Is it such a big deal that I should be cutting and fixing this? Methinks if...

With the plaster a month old, as expected the pH is rising daily, and because of that I'm adding MA daily or every other day depending on the pH rise. As such, the TA is lowering as I add MA. I'm now down to 70. How low should I let this go before I add something to raise TA up again, and how...

Plaster is now 6 days old, plaster company sent out someone to add chlorine shock (cal-hypo, even though my fill water CH is already 250), along with 7.5lbs of CYA (which should make 53ppm based on poomath), and of course muriatic acid. They also tossed two 3" trichlor tabs in a floater...I...

I had plaster applied to our pool yesterday, and this morning noticed these brown spots in the pool floor...the plaster guy says their seeds from a tree in the yard, and he may or may not be right...the tree cannot be removed at this time, has anyone seen similar stains in the their pool, and is...

The plaster crew is coming today to spray the pool, and since the pool is empty and prepped, I am taking the opportunity to replace all of the jet nozzles and removable fittings with brand new stuff (the previous owner let the water balance go out of hand and stained a lot of the plumbing). I've...

Right now my TA is right around 120 (starts turning red at 11 drops, doesn't change anymore after 12), so I think I'd like to play around with lowering it a bit (I say playing because pool re-plastering is coming in the next couple of weeks, but I want to get the feel for adjusting these things...

I just got into my new to me pool for the very first time...been doing gradual contiguous drain/refill and other things to get the water in balance, and had to get in there to remove an old salt system that was mounted to one of the pool wall returns. I knew there were pieces of plaster missing...

I have a Jaco fitting plumbed into my return side for a very old discontinued salt system...here's a pic of it, it's the little metal fitting stuck in the elbow to the right of the jandy valve: I'm removing this stuff as I'm about to add a new salt system, and I cut the wire coming from the...

When we bought our house (about a month ago) the previous owners were so nice to purchase a brand new 360 to replace the old one that was in the pool for us on the way out...we got it going pretty easily since we were able to just base the hose off the old one and it was going quite nice for a...

I notice there is a liquid salt test and a strip based test on the tftestkits site...I acknowledge that most people here shy away from the strip based tests for FC,TA,pH,etc , but are the salt test strips equally unreliable?

I've got a question about the poolcalc: If I setup the calculator for troublefreepool.com, SWG, and plaster, then use the goals that are above the various blanks, it seems that the CSI ends up in the "potential to become corrosive to plaster" at .52, which is almost at the magical oh noes .6...

I'm gearing up for a drain/refill gradually, but I'm curious if the numbers I have are especially dangerous to people...I'm sure the numbers are bad for the equipment and finish, but can we swim in this some while we drain/refill to reduce CYA? The water is very clear, but I know that clear...

Since it's looking like I have to drain some (most) of the water out of my pool, I'm looking for ways to not do a drastic full empty/refill process due to my concerns about the water table under the pool...I noticed that my pump going to the filter has a hose bib on it with a water hose...

Some of you responded to my previous thread (here) back at the beginning of the month...here's my update: Ok, so now I finally got home to do some readings....here's what I got with the TF-100: Outdoor conditions - 75-85F, light rain...been raining pretty steadily for past 4-5 days FC:26 TC:27...

I ordered a TF-100, and am waiting for it to show up; in the meantime, I had my water tested twice this week by the local pool store and have made some modifications to the chemistry based on those numbers: 3/31/2015: FC:10+ (the pool store tester doesn't show real numbers past 10) TC: 10 (not...