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Progress, seemingly slow but certainly there. Hang in there, you will get there

I've in the past added a floater with a tablet or two to ensure some chlorine is added while I'm away. It will add CYA, but if you only use it for a few weeks every now and then, I don't see it as a real issue - just be aware.

I originally got a Taylor K2006 test kit from a company in Spain, but I cannot find the link now. A bit of googling found K2006 on ebay and K2006C on Amazon (spanish) The Taylor 2006 test kits are available in Europe.

The SWG did it, a friend came by Monday and tested FC as noted earlier in the thread, FC was holding at 7.5 as before we left. I left the acid automation on, it added 1.5-2 litres of sulfuric acid while we were away. I turned down the runtime of the SWG a bit today based on the FC reading...

To close on this, we came home to a sparkling clean pool FC 9.5 CC 0.5 pH 7.4 TA 110 CH 400-425 CYA 90 SALT 4000 TEMP 32 Celsius / 89 Fahrenheit CSI -0.11 The calcium deposits were there again, I’ll start a separate thread about those. Thanks for all the help.

Monday morning FC 7.5, the same as Tuesday afternoon before we left.

Last measurement before leaving FC 8.5 CC 0.5 pH 7.4 Up from FC 7.5 CC 0.5 this morning with 2 hours of run time with the SWG at 60% Previously FC dropped from 9.5 yesterday afternoon till 7.5 this morning, in that period my son and I were in the pool, and it had 3-4 hours of pump run time...

The white deposits were complete powder that dispersed as soon as you moved the water close to them. Using goggles you could see white flakes in suspension. I brushed the walls and lots more white flakes came off. Could this be old calcium scaling on the walls/pipes from when pH wasn’t under...

The SWG I got installed has a pH probe and automatic acid dosage system, this should keep the pH pretty constant. Before, when I was adding dry acid manually, I noticed pH rising and I had to keep on top of it. The last couple of weeks I don't think it has been above 7.6 before I brought it...

PoolMath reports CSI -0.12 which is within the -0.6 to 0.6 recommended. As mentioned I've had some white dust like deposits under the inlets from the beginning, even before the SWG was installed. Though it is substantially more this time, but I had put it down to a much longer pump run time as...

Spoke to the owner of the pool company, he said his team would have added "some" dichlor when they commissioned the pool - when asked how much he said 2-3 kg, but I got the impression he didn't really know. Assuming it was 3kg, PoolMath says it should raise CYA by 44 I've added 2.5 kg of...

Thanks will stay clear of supplements. DE filters aren’t common here, never seen DE in a pool supply store, but will look around when I’m back. Just wired up one of the relays on the SWG in parallel with the pump timer, this allows the SWG program to control the pump, and in turn the SWG...

No trying hard not to drop it! Yes now in the morning the water appears clear, only last night in front of the light did I see some particles. That was after running the filtration non stop for 28 hours. Maybe I need one of those supplements that attracts small particles and makes filtration...

I’ll check with the pool company if they added any CYA, either when commissioning the pool (long story, but they did so while I was not here, despite explicit instructions otherwise), or if they might have done so afterwards. I’ll remeasure CYA in the afternoon, my only concern is that I only...

FC is holding overnight, did the 10ml sample and got FC 11.5 CC 0.5 And in daylight the water appears clear. So looks like if I had some algae they are gone now. I tried moving the white deposits at the bottom with the brush, it appears as some dust flakes that gets mixed up in the water...

Just got home FC 11.2 after approximately 28 hours of filtering and SWG running at 100% There is something in the water and some white deposits on the floor. Turned off the SWG, will see what FC looks like tomorrow morning

Yes, based on Tenab's earlier feedback that was my plan to try to raise CYA before I leave. Great you think it is doable. I think I'll go shopping on Monday morning for - CYA to raise to 60 - Pucks & floater, not 100% I'll need them, but won't be too expensive to have as a backup. When I get...

Yes, I can get a floater - but won't that just move the problem to the PVC cover ? The cover floats on the surface of the water. I have read about issues regarding putting pucks in a skimmer, the guy that built the pool told about stories where the pipes below the skimmer had been 'eaten away'...

Thanks - will make sure I get ones without algeacide when I go shopping tomorrow morning. And based on the content and concentration I can use PoolMath to calculate the effect. But apart from the quantity of chlorine, I'd also have to make sure they don't all get dissolved in the first few...

Thanks, that is good advice - I've never used the pucks before - should I just put an appropriate number in the skimmer before we leave, or is it better if I have a friend add a new one once or twice a week ? As for the appropriate amount, are there any general guidelines I should follow, or...

Thanks for all the help and advice, will see what it looks like when we get home tonight, if I can keep FC around 6-10 with SWG when we’re away, I guess it would keep the algae from growing completely out of control, and I can SLAM when we get back. But having someone to check on it a few times...

Don’t think so. Maybe I’m better off turning off the pH control and ask a friend to add dry acid when he comes. I used to add about 600g every 3 days, if I keep the same rate without measuring it can’t go completely off I guess.

In the past pH has risen 0.4 in 2 days, it is a new plaster pool, so don’t think I can leave it 12 days without adding any acid

It has a pH probe and you set a target pH level, it then adds acid as needed to achieve the target level. I have the target set to 7.3, when I measure with the K2006 set it says 7.4 - guess the difference could just be measurement accuracy. Don't know much more about how the probe actually...

Good point about the 10ml sample, I had been using a smaller sample when testing CH to save on the reagent. Trouble is that it is peak holiday season, and most people are away. I can probably find someone that can pass by every couple of days to do a FC measurement and adjust the SWG production...

Thanks for getting back to me. TA was initially much higher around 240, and I got it down to 110 by adding acid and aerating, I can restart that when I get back Sunday evening - but if I cannot make accurate pH measurements due to SLAM'ing, it might not be the best idea ? I'll double check CYA...

Hi, I'm a new pool owner, pool was filled about 5 weeks ago. Up until last week I was manually adding dichlor and dry acid to keep the pool balanced, and didn't have any issues. Last week I added salt to 4000 ppm in preparation for the installation of a SWG, after adding the salt I had issues...