Mustard algae

[marksbigpool]

Battled mustard algae all last summer. Started off great, now it's back.
I've brushed, vacuumed to waste, shocked, treated with banish weekly for 3 weeks.
Help!

 

[Bperry]

Battled mustard algae all last summer. Started off great, now it's back.
I've brushed, vacuumed to waste, shocked, treated with banish weekly for 3 weeks.
Help!

Welcome!

You’re going to need to SLAM and to do that you’ll need your own specific test kit. Here’s a link for that:

Swimming Pool Test Kits Compared

What pool test kit should I buy? Why shouldn't I use test strips? Our recommended test kits will pay for themselves in no time!

www.troublefreepool.com

Don’t use any more “special” treatments like banish. You can safely add 3-5ppm of liquid chlorine each day until the test kit arrives and we can go from there.