I have a 13000 galon pool with a Pentair salt cell IC40 and a intellichem. I have the ORP setting set to 800 but the readings range from 600-650, which ends up being under 1ppm of chlorine. I run the pump 18 hours a day and all the green lights are on on the cell. I recently took the cell out to clean it and it was still perfectly clean after over a week of running. Currently the pool chemistry is Salt=3900, CyA=30, pH=7.5, Alk 30, CH=520, CU=0, FE=0, Pho was 306 but I dosed it with noPhos a week ago so it is under 300. Water temps range from 75 at night to 85 day. Salt cell is 7 years old. Is it on its way out?
Chlorine levels low
- Thread starter booboo
- Start date
- Jul 21, 2013
- 65,762
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
If the cell light is green then the cell is good and generating.
Your Intellichem is controlling the cell and its output.
Do you have your Intellichem standalone or connected to an EasyTouch or IntelliCenter?
I suggest you disassociate the Intellichlor from the Intellichem or connect your IntelliChlor directly to the Power Center and see how the cell performs standalone.
www.troublefreepool.com
Your Intellichem is controlling the cell and its output.
Do you have your Intellichem standalone or connected to an EasyTouch or IntelliCenter?
I suggest you disassociate the Intellichlor from the Intellichem or connect your IntelliChlor directly to the Power Center and see how the cell performs standalone.
Pentair IntelliChem - Further Reading
www.troublefreepool.com
- Feb 6, 2015
- 7,855
- Pool Size
- 12300
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Post a full set of test results from one of the recommemded test kits.
Test Kits Compared
FC
CC
pH
TA
CH
CYA
Salt
Water temperature
Use liquid chlorine to keep FC within target range for your CYA.
FC/CYA Levels
ORP isn't a reliable way to dose FC in a pool that has CYA. and kn an outdoor pool in AZ, you need CYA to keep the FC from burning off within hours.
Test Kits Compared
FC
CC
pH
TA
CH
CYA
Salt
Water temperature
Use liquid chlorine to keep FC within target range for your CYA.
FC/CYA Levels
ORP isn't a reliable way to dose FC in a pool that has CYA. and kn an outdoor pool in AZ, you need CYA to keep the FC from burning off within hours.
What will disassociting it from the Intellichlor do. If the cell is generating why would it matter whats controlling it. All the green light are on so it is generating at 100%.
See the first post. Everything is there.
- Jul 21, 2013
- 65,762
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
If your IC40 cell is running at 100% for 18 hours in your 13,000 gallon pool it will generate 9.7 ppm of FC.
Either your Intellichem is not running your IC40 for 18 hours, which I believe your problem is.
Or you have algae in your pool consuming most of the generated FC. You can do the Overnight Chlorine Loss Test with your SWG off to test that theory.
Intellichlor cells are binary - they either show the green cell light and generate close to their rated chlorine output or the green cell light is off and hey are dead.
7 years is a good run for and Intellichlor cell, especially in AZ. You can get a replacement cell and see if it fixes your problem. You will need the new cell eventually and prices only seem to keep going up.
Either your Intellichem is not running your IC40 for 18 hours, which I believe your problem is.
Or you have algae in your pool consuming most of the generated FC. You can do the Overnight Chlorine Loss Test with your SWG off to test that theory.
Intellichlor cells are binary - they either show the green cell light and generate close to their rated chlorine output or the green cell light is off and hey are dead.
7 years is a good run for and Intellichlor cell, especially in AZ. You can get a replacement cell and see if it fixes your problem. You will need the new cell eventually and prices only seem to keep going up.
- Feb 6, 2015
- 7,855
- Pool Size
- 12300
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
FC ?? (ORP doesn't count)
CC ??
pH 7.5
TA 30 (this is a little low - consider increasing to 50-60)
CH 520 (use the 25ml sample size - multiples of 25ppm is close enough)
CYA 30 (this is a low - FC will burn off fast - consider abandoning ORP and increase CYA to 70)
Salt 3900 (how are you testing salt - use a drop based test - K-1766 - and don't rely on the SWG readout)
Water temperature ?? (when you ran all the tests - not the day/night range)
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- Jul 21, 2013
- 65,762
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60