Mustard Algae

PAGoldsmith

New member
Aug 14, 2020
1
Philo, ohio
I can't get rid of it!! I'm about to give up. I think it's gone then nope it's climbing the walls!! I know I'm doing something wrong but I don't know what. I mostly just check chlorine and ph levels. I usually check alkalinity but I'm out of the regent needed. Any ideas appreciated.
 

Msch99

Gold Supporter
Bronze Supporter
Jun 11, 2018
908
Verona, MO
What are you testing with? If not using TF100 or Taylor k2006, first step is to get your own kit. I prefer the TF100, link in my signature.

Add your pool information to your signature, helps the experts help you. And saves typing it each thread. Settings/signature
 
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kellyfair

Gold Supporter
Bronze Supporter
Jun 29, 2016
2,925
Tampa, FL
I know I'm doing something wrong but I don't know what. I mostly just check chlorine and ph levels. I usually check alkalinity but I'm out of the regent needed.
You answered your own question! In addition to ordering a test kit as the post above advises, please read The ABCs of Pool Water Chemistry. The link is in my signature. Then read SLAM, also in my signature. SLAM is what you will need to do, once you have a test kit (pool store tests aren’t that accurate.)
 

JJ_Tex

Bronze Supporter
Jul 17, 2019
1,736
Prosper, TX (DFW)
Below is an article on mustard algae for you to read, with a quick synopsis:
- As others said, you need a quality test kit that can test for chlorine over 5 and test CYA
- Follow the SLAM process to get rid of any type of algae
- Mustard algae (assuming that is what you have), has an extra high dosage of chlorine the last 24 hours

 
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