Newbie to Forum...Looking for help

[PoolDoc]

OK; 38,500 gallons.

[fairfieldmania]

ok...we seem to be on two different pages....I am using this website....

http://www.poolandspachemicals.co.uk/volcalc.htm

take each part of the pool as two rectangles....

first rectangle...21 x 22 x 3 (LXWXD) = 10367 us gallons
second rectangle....20 X 18 X 8 (starts at 6 ends at 8) = 18850 us gallons

total- 29,000 gallons...take out the steps...curves of walls, etc...about 27,500 gallons...can you walk me through your calcs....in the mean time, I will try to find the pool info through the packet we were given from previous owner...

[PoolDoc]

I'm not sure what you are measuring; you'll need to submit a sketch, for me to be clear.

[fairfieldmania]

the pool is a L shaped....

_________L_______
| 2 |
|_________ | W
| 1 |
|________|

If you extend the vertical line between sections 1 and 2, it would separate the shallow end from the deep end and in essence create two rectangles. Rectangle 1 representing the shallow end and rectangle 2 representing the deep end. The diving board is along the left vertical lines

rectangle 1 - 21 x 22 x 3 (LXWXD)
rectangle 2 - 20 X 18 X 8 (starts at 6' ends at 8' deep) the 6' section (more or less) runs along the vertical line between rectangle 1 and 2

[fairfieldmania]

Ok, got the Talyor test kit yesterday in the mail...I have been in the habit of adding two bags of calcium hypochlorite every other day at night...alternating with 6% bleach....Monday night - two bags...Wednesday night - two 1.42 gallons of 6% bleach...Friday night - two bags...etc...

I added two bags of cal-hypo last night....Onto my results

FC 5.8 (29 drops *0.2 using 25 mL)
CC 0.4 (2 drops * 0.2 using 25 mL)
pH 8.0
TA 90
CH 190
CA N/A didn't register..not sure if I did it wrong
SI 0.35
Temp 82

[Watermom]

Those numbers look pretty good other than the pH being a little high. You can use some muriatic acid to lower it. Read the muriatic link in my signature below.

The way you do the test is to fill the little bottle to the 7ml level with pool water and then fill to the 14ml line with the R-0013. Cap it and mix it and then wait at least 30 seconds. Then, holding the test block at waist level in natural light, slowly squeeze the contents of the bottle into the tube, noting when you can no longer see the black dot. If it doesn't get cloudy, then your CYA level is less than 30.

How long has it been since you used dichlor, added CYA separately and used trichlor pucks? You'll want 40-50ppm of CYA in there. So, you'll need to use one of the three mentioned to bring it up some.

By the way, use the 10ml testing sample instead of the 25ml. It will save on your reagents.

[fairfieldmania]

It's interesting comparing the pool numbers to mine. According to them, the pH was the same, but hardness was lower than I tested, and alkalinity was lower than I tested...enough to make you buy their stuff to bring those parameters up...which I admit...I did before I tested it with the Taylor kit...

A question about adding the muriatic acid to bring down the pH...will it lower the TA as well??...that is main reason I joined this forum...if you read my second entry on this thread...that is what I am confused about....how do I lower my pH without affecting my TA??...at the time back in early July, I thought I had low TA as well, but now I see I am good there...

CYA - I performed the test as instructed in the manual and as you described above...but for some reason, even though the pool company test showed I was good on CYA...the Taylor test did not show enough to register...(I still saw the black hole at the bottom)...I guess I'll add another pound of CYA....I'm nervous about adding too much without allowing what i've added already to fully dissolve...

I only use trichlor pucks and then the combination of cal-hypo and 6% bleach...

I'm going to test the FC level tonight to see if I could back off the two bags of cal-hypo or two 1.42 gallons of 6% bleach every other day....does that seem like too much???