yellow algae

  1. U

    Newbie to the SWG world now have yellow algae present and getting worse

    I live in south FL so we get a lot of sun and heat of course. I have had the SWG for a couple months and have a real hard time keeping the chlorine level balanced. I have yellow algae now and its spreading, the FC just wont go up or kill it. My CYA is 70 so I think I am good there. Question...
  2. Lugnut2683

    New pool owner - learning to remove mustard algae, now chlorine levels are zero

    Hey everyone, I'm a relatively new pool owner (9 months) and have a 14,500gal in-ground pool/spa. I've never had any issues with my chemical levels (tested weekly) until I recently started seeing mustard algae growth after a few birthday pool parties (in September and October). My kids also...
  3. D

    There's mustard algae in my pool, but unsure if I have the tools I need to tackle it

    Hi all, I'm still learning about pool maintenance and planning to use SLAM next year. For now, I'm working with what I've got. It's almost mid-August, and I'm wondering if it's worth tackling the persistent yellow algae before reopening the pool. My pool got hit with algae after weeks of...
  4. J

    Mustard Algae? Stuck on walls

    this is my first time posting. We had a TON of algae when we opened our pool. After a few weeks of brushing, shocking, and getting everything functioning; this stuff won’t budge. We have been to our local pool supply dozens of times, socked, algecide, all of it. I recently found this forum and...
  5. Jebil

    Algae? Iron? Treated both with no fix.

    Been fighting this brownish stain/residue and cannot beat it. Pool was completely clean when I uncovered it in march. Took sample to pool store balanced water. Everything was going good then BOOM this brownish stuff set in. I told pool store and they sent me home with jacks magic the blue stuff...
  6. Webster

    SLAM day 4, is that algae still?

    I need help. I found this website through a Facebook group where I posted about having mustard algae I couldn't get rid of. Or at least that's what I think it is. Everyone I've talked to says it's mustard algae. I'm a new pool owner. We bought the house in March and opened the pool in April...
  7. N

    Is this yellow algae?

    Hi guys, We bought this house last year and the pool has always had this stuff at the bottom. Sometimes it seems like it comes from the filter because we will vacuum it up and then the next day after running the filter overnight it will be back.