My pool is crystal clear ( saltwater) but the backwash was green today. Why would that happen?
Green Backwash water
- Thread starter BCM
- Start date
- Jun 22, 2014
- 52,071
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Welcome to TFP! 
We could speculate about algae or metals, but the best pace to start is with a full set of water test results. Do you have a TF-100 or Taylor K-2006C?
Pool Care Basics
We could speculate about algae or metals, but the best pace to start is with a full set of water test results. Do you have a TF-100 or Taylor K-2006C?Pool Care Basics
Above ground saltwater - Hayward salt generator, pentagram pump, sand filter.Welcome to TFP!
Pool Care Basics
- Jun 8, 2019
- 4,581
- Pool Size
- 20000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
What do you use to test the chemical levels of your pool water?
We are interested in knowing your current chem levels but also don’t trust pool store testing or test strips, so we are hoping you have a drop-based test kit and can give us your chem levels. 
- Jun 23, 2012
- 1,054
- Pool Size
- 16000
- Surface
- Plaster
- Chlorine
- Liquid Chlorine
- SWG Type
- Pentair Intellichlor IC-40
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