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Interesting... I didn't know that. Thanks! No micromanaging necessary after all :wink:

Thanks guys - I get it :P In hopes I will keep this going all summer... The pics will have to wait a while as my pool area is a mess right now; I am working on replacing my suction side pipe and some of the tiles are out, pieces of grass hacked out, etc... On the up side, I did finish a...

Hi All, I have the following parameters established: 1. Shading net over the entire pool area 2. Opaque pool cover (at night and most of the time the pool is not in use) 3. A working Liquidator 4. 2 x 200gr Trichlor pucks already dissolved (approx. 15 ppm CYA according to the pool calculator)...

Absolutely amazing! Richard, I don't see how it could happen so soon, especially with so little CYA in the water. It seems those active FC numbers you gave in your previous post - that "1/x 'ish" active FC to CYA ratio - has reared its ugly head already. Its been only three days of 2 Trichlor...

Thanks Richard. This means that until my CYA rises, there are very high levels of active chlorine in the pool. Maybe I should throttle it down a bit. One more added bonus of using the tablets (until I switch back to bleach) is the acidity. I expect my quickly-rising pH will either slow down or...

Hi teapot. My intension of running with low chlorine would have been facilitated by having no CYA in the pool. But after reconsidering the downsides we've discussed in this thread (and with a slight push from my wife), I've decided to give it up and use CYA - which would mean normal treatment...

Thanks for straightening this out for me. That is an important piece of information I was not aware of. So, this means that the two factors involved in actually raising the pH (as opposed to the temporary effect of FC before it is consumed) are CO2 outgassing and lye. I just measured the pH and...

Well, it seems I have given in to CYA. Again. This whole business of 0 FC has got me worried to a point where I told my wife that the pool is off limits until I decide how to handle this. I should have known that that would be the last straw. The season will be over soon, and my wife wants to...

I actually know very little about Ozone sanitation systems. I will look into it, but I have a hunch it is a costly system which is not very common in Israel... I wonder if they even sell it here... Besides, I have given in to CYA - but thats in my next post...

Ah - now's my turn to try and spout nonsense - If I remember correctly, the process of neutralizing organics with chlorine raises pH. If that is the case, consider the following scenario: 1. Morning - FC drops to 0 2. Possible bathers and other organic stuff enters the water 3. Algae and...

Hey Taz, what would the Ozone generator help with?

I wish I could slow it down just to see if it works! I have no idea how to do it though. My pump is not a dual/multi-speed pump and using the intake valve to restrict the suction side flow makes my pump very unhappy... Anyone try to connect their pump to the mains through a Variac ??? (I'm...

I just did the test, and my results are inconclusive. My working assumption is that the procedure remains the same - first a DPD #1 tablet is dissolved, then a #3. The problem is with measuring small amounts. Using the FC colour scale is useless in the area of 0.1 ppm, So I tried looking at the...

Thanks for bearing up with all of my questions. This is really intriguing! Perhaps I will try to get some bacterial and or algae growth test kits and perform some experiments (not in the pool of course though measuring the pool's patterns would be great too) Since my tap water seems to contain...

Richard, you have outlined 3 options that are safe: 1. High CYA, FC + algaecide 2. Low CYA and FC + frequent chlorine dosing 3. Communal baths - i.e fresh water with 0 FC The 3rd approach I understand is not as safe as the first two but in my case where its only the kids bathing, it should be...

I am happy to say that since the last time I refilled (i.e resurfaced, refilled, and stopped using anything other than bleach and muriatic acid) my water has been looking, feeling and smelling great. I've been down that road twice and will probably never go there again. This has me a bit...

Wow. Thanks for all the feedback. I'll try to answer all the points raised. Richard, I see you remember our discussion. 0 CYA -------- First - what is Nitrogen Trichloride? I haven't encountered it yet. I say I have 0 CYA simply because I haven't put any in the pool. After refilling it, I have...

Hi All. I have to balance my pH every day or two. It goes from 7.2 to 7.5 in about a day and to ~7.7 the next day. Factors I am aware of that increase pH: 1. Bathers - the effect above occurs with or without bathers 2. Air leak in my piping - aeration as I understand it should not contribute...