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It is currently May 17th, 2012, 12:25 pm
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Langy3366
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Post subject: ABG Season Startup in the UK  Posted: June 10th, 2011, 7:51 am |
Joined: August 23rd, 2010, 3:35 am
Posts: 27
Location: UK
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Hi
Just starting up the pool with fresh tap water.
the area in the South West of England has fairly hard water with relatively high CaCo3 levels.
I have the following chemicals at my disposal
Sodium Hydrochlorite 14/15%
Dry Acid
Stabilized Chlorine Granules 55% (with built in stabilizer)
Calcium Hypoclorite Shock 65% min
Ph is 7.3
CaCO3 is 267 (Calcium hardness)
Chlorine is zero
I think we can assume CYA level is almost zero from tap water.
Water Temp is 14C (fyi it was 12C out of the tap!!)
Reading Pool School I need a week or so of stabilized chlorine to add CYA levels.
As the CYA level increases to 30-50 I should revert to Sodium Hydrochlorite.
Agree?
and thanks for your help in my 2nd season.
_________________
Intex Ultra Rectangular AGP 18*9*4
Certikin hydroswim HPS .5hp pump
Azur 15" Sand Filter (pentair)
EGFM glass particles (10kg of 1-3mm and 25kg of .5 - 1mm)
Calorex AW910 Heat Pump
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JasonLion
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Post subject: Re: ABG Season Startup in the UK Posted: June 10th, 2011, 10:28 am |
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Joined: May 7th, 2007, 3:03 pm
Posts: 23443
Location: Silver Spring, MD
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Yes, switching to Sodium Hydrochlorite is a good idea once CYA gets to around 50.
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19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of The Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School
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