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My natural stone tiles under my pool coping have some pretty ugly looking efflorescent build up...just the powdery mess that disappears as soon as water hits it, but then comes right back as soon as it's dry. I've tried very diluted muriatic acid followed by quick scrub and fresh water rinse...

Thanks Dave! My OCLT this AM was 2ppm and the chloramine (CC's) was 1ppm....so definitely making progress. I just went and scrubbed all the water features...did find some green algae on top of some of our rocks (but well above the water level...more like where it had rained and rain water...

Thanks Jblizzle...it's actually not the chlorine level that scares us...but rather the getting in knowing we have chloramines...it's just yucky. He actually got in it right before I started slam'ing and as soon as I smelled his swim trunks (from the other room!!) I knew we had a problem!

Yeah...I was really close to starting to worry myself! 4 weeks? Yikes! My husband has been teasing me to override my BBB method with magic powders b/c he wants to use the spa! Guess I'll be holding him off still! LOL I've checked everything pretty well...the lights are going to be tricky...

Thanks RobbieH....I knew it could take up to a week - 10 days...just didn't realize WEEKS! OK...well, I'll just keep on keeping on then. :-) You DO have an enormous pool! :-)

FC - 12 (it WAS 14 when I tested it at 7 am this morning) CC - 1 pH - probably about 7.4 ish since i brought it down yesterday before adding more chlorine...too high to get accurate result now though TA - 80 CH - 390 CYA - 30 Borate - 30 Temp - 63 I've been using the BBB method for a couple of...

So you mean you are leaving the cordless M5 Liberty in the pool non stop? I would LOVE to do that...but the manual specifically says it should not be kept in the pool or extended periods of time. It also says it should not be kept in water temps below something in the 50 degree arena I...

Thanks! Will do!

Has anyone out there had or used one of these systems? I have recently discovered that VOC's seem to be what has triggered an adult onset of severe, persistent and uncontrolled asthma. I'm attempting to reduce my exposure as much as possible, so in doing that I'm being forced to rethink our...

Ahhhh....that might be the key. I've never taken it to it's end point....did not know to do that! I've always stopped as soon as it turned from purple to a shade of pink. If I do add another drop it becomes an even darker shade of pink and then no other change takes place...which would bring...

FC = 6 CC = 0 pH = 7.5 TA = 50????? down from our normal of 60 CH = 490 Temp = 77 Any help is much appreciated here. We live in TX...just got our first consistent drop in temperature this past week. We had a TON of rain last week, which I know is the reason the TA has dropped from where we...

Great news!

Could the l-ion battery inside the cleaner itself be starting to go bad ya think? Weird!

Yes...I did mean the charger. I had to unscrew the A/C power cord completely off from the charging station. When I removed it, there was corrosion and rust both inside the a/c cord receptacle on the charging station and all over the end of the a/c cord that attaches there itself. When I...

Also....next time you open the pod and reassemble...try plugging the battery power cord into the wall BEFORE attaching the power cord to the pod....make sure that the blue ON button is not lit and then attach the pod and hit the ON switch. This is what I sorta also discovered could be where the...

Mine was repeatable too...that's when I discovered that there was corrosion on the power cord where it attaches to the battery. Did you remove the power cord yet? You have to unscrew it from the battery. The port on my battery was covered with rust and corrosion as well as that end of the...

Hi there! Sorry you are having trouble. So yes...very early on when we were new to using the cleaner, I too had no connection alert twice....it was due to the plugs getting wet at some point. I think my husband accidentally dropped it in once without the cap on. :hammer: Anyway...the way I...

My husband went to town on trying to clean our natural stone pool tiles with diluted acid as discussed above and it's left almost all of the tiles around the pool dull. It looks worse now than before. :( I think that he may not have rinsed the tiles off well enough. :hammer: Any...

Hi! Sorry so long since I've logged in here....hence the delay. So here's the 411 on my little robot: It really does a great job! The battery lasts for about 1.5 hours...which is plenty of time to clean my entire pool on the most complete setting. I usually get accumulated debris in both...

Thanks Jason! That's what I ended up doing...I would rather do it and get it over with than spend hours trying to kill algae! Have a great weekend.

FC = 0 CC = 0 TC = 0 pH = 7.8 TA = 60 CYA = 30 CH = 450 (I manage by trying to keep the CSI below 0) So, my husband and I differ sometimes on our pool philosophy. He believes it's a good idea to periodically shock regardless of testing results. I've always been of the idea that if you don't...

Thanks Chem Geek....it's the darn meter! So it goes.....another $80 down the drain! LOL I did do your suggested tests however, and the meter was still way off...even worse than before, so I circle filed it! ;-)

FC = 5.5 CC = 0 TC = 5.5 pH = ?????? TA = 60 CH = 430 CYA = 50 Bor = 50 Here's my dilemma....STILL....I have one of those digital pH meters and when I use it in the pool I get a reading of 7.4....I calibrate before each reading to a 7.0 calibrating solution, test the pool, then go back and test...

I used 20 Mule Borax and I purchased it from my grocery store, Qwaxalot was correct about the phenol red being bad....pH was very likely below 7, I've been aerating and will get hubby to get in the spa today to see if its better now that we r back up to around 7.4ish. Thank you all for comments...

FC 5.5 CC 0 TC 5.5 pH 7.3ish TA 60 CH 430 CYA 60 Borate 50 We haven't been in the pool since before I added the borax on Sept 6 and yesterday my husband decided to get in for the first time. He does not know that I added borates, since I handle the pool and we really just don't talk about what...

Can anyone advise me on how many units of change is represented by 1 drop of pH base reagent? I'm using it to get a better pH calculation and it took me 4 drops to get down to around 7.0 where the color matched....adding back does this give me 7.4 or 7.6 or 7.8? :? Many thanks!

No...it was mid day and then morning...all is fine now. The borate level was PERFECT after following the procedures listed here and the chlorine thing was not accurate due to the timing of my test. Thanks for all who replied and soooo sorry for the delay. I've been unplugged for the last...

Re: Particles in the water seen only at night w pool lights Thanks again to everyone for all the help....sorry for delay in this response.

Is it safe to use a diluted mixture of say 2:1 or 1:1 solution of muriatic acid and pool water to spray onto those natural stone tiles and then use a scrubby pad or wire brush to remove it? (Safe meaning that it won't harm my stone) I've got the pool chemistry stabilized now so that we will...

Then ANY idea why or how I would have lost so much chlorine overnight? I only loose about 1ppm daily......maybe 2 if we have swimmers....but I dropped 5ppm overnight....makes no sense to me. Urgh!