Deep Blue Water MP3000 Mpluse - does it work?

[waterbear]

Thanks, I'll increase CYA closer to 100 and Borate to 50 and drop pH to 7.6 tomorrow and report. FC should continue to increase to 5-6 range with current setting. As far as the salt, I'll get new strips and also repeat drop test. Drop test got very cloudy/clumpy lite grey early as I added drops last time. Also, how can I calculate CSI?

If you keep the nimbers where I said you don't need to worry about the CSI

[spibill]

Yesterday I got CYA up to 80. Need to get more CYA on Monday to increase to 100.

[spibill]

Tests today:
TA climbed to 100 from 90 yesterday
pH climbed to 7.6 from 7.4 "
FC dropped to 6.5 from 8 "

Should I try to reduce TA ?

[PoolDoc]

Should I try to reduce TA ?

Why?

[waterbear]

With a SWCG dropping your TA to around 70 ppm will slow the pH rise caused by the cell generating and causing aeration of the water which causes CO2 to outgas which causes pH rise.

However, before you attack TA get the CYA in line and get the unit adusted to maintaiin 5-6 ppm FC. Then adjust the TA and keep your pH between 7.6 to 8.0 (actually, when it climbs above 7.8 drop it back to 7.6.)

[spibill]

I'll get more CYA tomorrow.

[spibill]

CYA up to 100. pH has been holding at 7.6 for 3 days, first time ever for that. I'll monitor a few days then reduce TA.

[waterbear]

Once you reduce the TA do not lower the pH below 7.6 and when it just climbs above 7.8 drop it back to 7.6. In conjunction with keeping the CYA at 100 and maintaining the FC at 5-6 ppm you should find that your pH becomes much more stable than it has been, particularly with the 50 ppm borate.