nuisance algae

  1. M

    Cotton candy foam thing

    Recently, this pink/purple foam thing started overgrowing zoas in my zoa garden. What is it? What eats it or removes it aside from manual removal? Here are photos of it on zoa frags I removed to clean. I'm thinking it is a sponge. I have been removing the impacted rocks and frags and...
  2. S

    Persistent Diatoms, need help!

    Hi. I am having a persistent diatom problem. It grows mostly on the rocks, in thick beds that grow back within a few days of removal. My water change schedule is 25% change per week. I use RO/DI water always at 0 TDS, after being ran through two DI canisters. I am on well water that tests around...
  3. damselindistress

    Please Lord not again

    Afternoon reefers... I upgraded my Fluval Evo to a 60 gallon long AIO back in August when we moved to a new house. I battled nutrients and algae (every kind) over the year that the Evo was running, mostly due to the fact I was new to reefing and made ALL of the rookie mistakes, some over and...
  4. DeepBlueSomething

    Green Dusting of Algae of Rocks - Nutrients, Photo period or both?

    I recently switched lights - from one black box to another on my 40G Breeder. Since the switch - approximately 3 weeks ago, I am noticing a persistent growth of algae on top of rocks. The algae is easily removed with brush... I am working to reduce nutrients with regular W/Cs bi-weekly. My...
  5. Idoc

    DI Resin & Algae ID question

    I just can't get this algae or cyano bloom to completely go away. I thought it was cyano, but it doesn't create "sheets" like typical cyano pictures. I let it go for a week without blowing it off rocks and the back wall and then cleaned the tank thoroughly. Ive been doing 20% water...
  6. Reefer18

    Dinoflagellates? Please help!

    Dinoflagellates or some other algae type? (Pics attached) Tank Info: 30 gallon softie reef 5 months old RO water Salinity 1.025 Ammonia 0 Nitrite 0 Nitrate 1 Calcium 440 Alkalinity 8 Phosphate 0 (according to API) I plan on getting a more accurate kit for phosphates
  7. Lilcherylpony

    Macro algae - The good, the bad and everything in between!

    What benefits can macro algae provide to a reef? How do you outcompete nuisance algae with macros? What's the difference between micro and macro algae? What's the best lighting for specific species of algae? What signs will tell you that caulerpa is about to go sexual or that different algae...
  8. rantipole

    Peroxide questions

    Hi, I recently sprayed peroxide over a live rock to rid myself of some algae. It worked really well. Now, I see some bubble algae growing in on my clove polyp and blue sponge rock. So two questions: Will peroxide kill bubble algae? Will peroxide hurt the sponge? Thanks! Cheers, rant
  9. Mike Lemming

    Help with Bryopsis!

    Hi guys! A couple months ago I set up a 75 gallon reef in which I used a few rocks from the previous system to add to the new display. I must have brought bryopsis to the new tank with the old rock. Today, my tank has quite a few patches of bryopsis on the sand bed and rock. I have been dosing...
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