Going On Vacation-What Should I Do?

[primo]

My pool is approx. 24,000 gallons and is a hydrazzo finish with D.E. Filter. I have been using liquid chlorine and bleach to add chlorine to my pool over the summer due to high stabilizer (CYA) levels. I will be going away for seven (7) days and want to know what I should do/add to pool before I leave. I didnt have time this morning to test my water myself so I had water tested by pool store this morning & results currently are:

Satur Index 0.5

TDS 1400

TC 2.0

FC 2.0

PH 8.0

TA 145

Adj TA 105

TotHard 239

CYA 134

Salt N/A

I tested my CYA three times two days ago using Taylor 2006 test kit and I am showing CYA between 75-85 (Pool store CYA test is wrong) I will completely test water myself tonight using Taylor 2006 test kit. In the mean time pool store is telling me my total alkalinity is low and PH is obviously high.

How much should I shock pool assumig my CYA is between 75-85? I have not been using my chlorine feeder (holds the 3 inch pucks) due to the high CYA. Should I use the chlorine feeder (fill it) before I go away? Also, I will need to lower my PH before shocking. What should I do?

[dscriterium]

After you lower the pH, (leave your TA alone, it's fine) I would bring the FC up to around 30-35ppm just before you leave. With that CYA, I wouldn't be surprised if you still have some residual 7 days later and may come back to a clear pool.

Of course, if you have a cover, put it on and elevate your FC only to about 10-12ppm. You should be in good shape when you return.

[primo]

After you lower the pH, (leave your TA alone, it's fine) I would bring the FC up to around 30-35ppm just before you leave. With that CYA, I wouldn't be surprised if you still have some residual 7 days later and may come back to a clear pool.

Of course, if you have a cover, put it on and elevate your FC only to about 10-12ppm. You should be in good shape when you return.

Thanks DSC!

wish I had a cover as there are lots of trees around!