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Thank you so much Poolbreh! I turned off the power and then cleaned the impeller using the "wire hanger technique".. I was a bit disappointed, because only a few tiny palm nuts were there (see picture). However, when I turned the pump on again, the pressure was back to normal. Fantastic...

Thanks Poolbreh, The pressure is just as low when I switch to the main drain.

I'm going to sound ignorant, but whats' the MD?

I haven't been active on the forum since the pandemic. Yes- guilty as charged. The advice here has been so good, that I have managed without the need to seek any I suppose. Now I have a problem. I have a Zodiak MX6 pool vacuum. I attach it to the skimmer suction and it's been really...

Thanks! Lesson learnt... It's so good to have a forum like this to go to to 👍

Good question. I've wondered about Arm & Hammer "Baking Soda". On their website, it's listed under "industrial". According to them, it's sodium bicarbonate. https://churchdwight.com/ingredient-disclosure/commercial-professional/42000845-ah-baking-soda.aspx

Okay, I'll make a quick correction, with apologies here... I used Arm & Hammer washing soda - 100 % Sodium bicarbonate - 12 lbs of it, not 6 lbs, but 12 lbs.

Even worse - 18 days it was 260!..

A couple of months ago, I bought Muriatic acid, thinking it was the same as CYA... I had my ignorance corrected on this forum - but by then, the pH was 6.2. I fixed the pH with 6 lbs sodium Bicarb (Arm & Hammer). Could that be the problem?

Just checked. Our tap water has a TA of 60.

I agree about the low pH being damaging to the equipment. But, I thought Bleach (sodium hypochlorite) is strongly alkaline when dissolved in water.

I've been at it for a couple of weeks now. I've dropped the pH to as low as 6.4 twice in the last month or so, using Muriatic acid. It's risen to 7.6 now. I've been unable to get TA lower than 110. TA is now 140, FC has fallen to 1 and the csi is 0.03. When I increase the FC, it increases...

Rigged up an aerator... BTW, what's the ideal TA? The TFT kit says 90-100 for a SWG pool. Id that right? My TA today is 260...

Thank you so much guys! Such valuable information. I'll check the manufacturers' instructions for cleaning the Digital Nano Cell, then go ahead and get it done...

Thanks so much! I'm going to work on getting the T/A down. How do I get the scale off the cell? Should I use dilute Muriatic acid?

I replaced my aging cell just two months ago. I got the replacement from the Salt Pool Guys. The scaling is so much that I don't think it's generating chlorine anymore. Even the old worn cell didn't scale this badly. I contacted the Salt Pool Guys and all they said was that the high pH maybe...

I like "free"!

That's a pretty thorough explanation Donldson, thanks so much! Now I'm going to have to raise my pH with Bicarb and still buy that Muriatic acid.. Anyway, lesson learnt 😁

My CYA levels have been low or just within limits for months. This of course has a negative impact on my chlorine levels -lots of sunshine in the summer. I found Muriatic acid in Lowes & I used that a few days ago. It seems it's not the same as CYA... I tried to read my CYA level with the...

I SLAMMED the pool! It took just under 3 days and I've watched the pool for a week after. The water is lovely! Thanks everyone for all your help and advice!

Your probably right. The FC fell when the old SWG cell went kaput.. I replaced it with a new one about month ago.

Two weeks ago, I took out my Haywood filter cartridge and hosed it down. It was due a clean as the the pressure had gone up to > 25%. I put it back in after the thorough wash. The water has become slightly cloudy since then. It also appears to have a tinge of green. I tested the chlorine...