In the past 3-4 months been getting these “black spots” on floor.Never had them in the last 20 years.Converted pool to salt about a year ago.Won’t come up with scrubbing chlorine tabs on them.Was going to try Vit C tabs and see what happens.Will try and include pics .
Black spots.Can’t get rid of them
- Thread starter heydude348
- Start date
ttroglio
Active member
- Jul 14, 2019
- 30
- Pool Size
- 12500
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-20
Black algae. Very difficult to remove. Start w/ a stainless steel brush. More reading here. I had it earlier this year and was successful in removing but it will take work.
www.troublefreepool.com
Black Algae
This guide provides a step by step procedure for eliminating black algae in your concrete or gunite pool. Read full post here.
www.troublefreepool.com