diatoms

  1. whyapollo

    Diatoms? Dino? (ID help)

    This comes from a newly setup tank. I had the dry rock and water "cycling" in a container for about a month before add them to the tank. At that time I added the "live sand" (the kind purchased in bags). Few days later, added some fish, and fed heavily. Weeks later, added cheato and pods.. I...
  2. AlohaReef

    What Am I Dealing With?

    I've had a 13.5 fluval for 4.5 months and I feel like I've been making every single recommendation possible to get over the "ugly stage" but I'm not sure it's the ugly stage at this point, rather than just a nuisance algae and diatom or dino problem. So my sand gets real brown during the day...
  3. lonewonderer

    What kind of Algae is this? Help.

    Hello, I need someone's input. Been reef keeping a while now. But this is the first time I encountered this algae. The tank is a 155g shallow including the sump. It'sbeen up for about 2 months now. I know that diatoms are a thing for new tanks but this is the first time I saw this. it looks like...
  4. tylerjohnsoncc

    Help with tank parameters and Dino’s/diatoms?

    Hi all, This tank is new to me as of 3 months ago, but was up and running for over 2 years and i didn’t take it down. It’s a 10g jbj AIO with global nano 2.0 LED lights. I was recently gone for Christmas for 2.5 weeks and had an ATO failure. Thankfully i had a camera on the tank and a nice...
  5. Exotrezy

    Need HELP with CUC for Diatoms!!

    Hello, I started my tank in October and I am using RODI water. I have 1 bumblebee Snail that was a hitchhiker from one of my coral. My tank is a 3ft long 30 gallon tank. Let me know Clean Up Crew suggestions. I attached a couple of pictures and 1 video. Also the "diatoms" randomly appeared with...
  6. hsp

    Diatoms have been found to use light-sensing proteins as depth indicators.

    An interesting diatoms article was published in Nature yesterday: https://www.nature.com/articles/d41586-024-04079-6 Algae use the underwater light spectrum to sense depth Aquatic algae called diatoms have been found to use light-sensing proteins as depth indicators. Detecting depth-related...
  7. JonnyTorch

    Flow and Dinos or Diatoms? What would you do?

    Hey all. I've been researching diatoms and Dinos all the last two days. Here's where I'm at: I neglected my tank for a few months And had a bloom of what I thought was cyano. I wiped it out with chemiclean and an air stone in 3 days. Well a month later it's back, so I'm not sure it's cyano, as...
  8. P

    Dinoflagellates, Diatoms, or Cyanobacteria?

    Hi, I am sure this has been asked multiple times before, but I am new to the hobby and found different answers in my internet search. Is this Dinoflagellates, Diatoms, or Cyanobacteria? How do I get rid of it? Any advice is greatly appreciated. I started this tank in March and started having...
  9. I

    Diatoms?

    My setup is about 5 months old. About 50 days ago, I let my phosphates and nitrates hit zero. Got Dino’s and had to fight that off. Increased phosphates to .1 and nitrates to 10 and fought off the Dino’s Now I have a new problem. I believe this is diatoms but I’ve had it for 30 days and it has...
  10. SomeHappyFish

    Diatoms? Brown crust over rocks

  11. BUVandy1010

    RO/DI on Well Water Diatom Outbreak

    Hello all! I purchased my first RODI unit a few months ago for my 40 gallon mixed reef. I am on well water in Illinois so I opted for the 5 stage. However, ever since then I have had a crazy diatom outbreak. I have lost a number of corals and the tank (including the surface!) is overrun with...
  12. tyreefkeeper

    Is there any way to end the ugly stage early

    Hi I'm going through the ugly stage now and my tank has 2 clowns and no corals (yet). Is there a way to end the ugly stage early or speed it up
  13. J

    Clean up crew Recommendations for 29 Gallon saltwater

    Hey all, My tank is really starting to grow diatoms, at least i think that’s what they are. Besides Turing my light off I am thinking of getting a cleaning crew but I have no real clue where to start. I’ve seen packages online but I’m unsure what can even be mixed together, water params, what...
  14. E

    Are all copepods good for diatoms?

    Seen a lot online about copepods being great for breaking down diatoms if introduced early enough. I'm keen to give it a go. But do all pods do the desired thing? I'm in the UK and it looks like there are limited options for getting any pods here. Was considering these...
  15. R

    Are these diatoms?

    Do these look like diatoms? Should I clean it off the glass?
  16. T

    Diatoms or Dino’s?

    Hi! I’ve been having this plague for a while and want to come up with a treatment plan, but first I would like to confirm what I’m dealing with so I can act appropriately. I think they are diatoms. Anyone know for sure? Tank age about 2 years. 75g + 20ish in sump 35ppt Alk 8 Ca 483 Mg ? 0...
  17. Luckki

    Will Diatoms keep Zoanthids closed

    Hey Everyone, I had to work for a few weeks out of town and my wife was taking care of the new tank while I was away. This is the first time that I have kept corals and was wondering if Diatoms would affect Zoanthids. I have checked with a microscope and can see the ship like shape of the...
  18. C

    Dino Tank Reset

    Hello all. I have a 20g water box cube that keeps bottoming out phosphates and nitrates, which caused Dino’s. I fought Dino’s (prorocentrum to be exact) for over 10 months. I won, but then the diatoms took over and became out of control. We then moved out of an apartment and into a house so i...
  19. Rham1281

    TDS in ATO water

    Hey all! I have had my tank up an running for almost a year now and for the past few months I have had a bad case of what I think to be diatoms or dinos. Both my phosphates and nitrates are a little over 0 (API test, but it's the best I have right now). I recently acquired a TDS meter and the...
  20. C

    What are these bugs?

    I can see them with my eye, but they're tiny. There's thousands of them in my HOB skimmer, and they've done a very good job of cleaning it up for me overnight. They move pretty fast. They took care of my diatom problem in a few days. I am guessing copepods? Thank you!
  21. k log(omega)

    Okay so I’ve induced a diatom bloom to fight amphidinium dinos… now what?

    Hi everyone, So as the title says, I’ve been fighting amphidinium dinos for not exactly sure how long since I had a good amount of snails die before I really got to the root of the problem, but it’s been about 2 weeks of dosing nitrate, phosphate, and silicate along with bacteria, photo, and...
  22. taylormaximus

    Is this diatoms or a type of dinoflagellate?

    So I've been scouring the internet for answers, and found lots of pictures of people's tanks with seemingly the same problem, but everyone says it's something else. So I'm hoping I can post my specific situation and someone will know what's going on. So I've had diatoms, my rocks were golden...
  23. J

    Diatoms back after beating GHA Bloom??

    Tank is about 6-7 months old had my first Diatom bloom 3-4 months in and it went away. Shortly afterwards water got super cloudy and GHA bloom came overnight. Added a UV filter to my sump and beat the GHA. Now I have Diatoms covering the whole substrate surface... when I first setup the tank I...
  24. Lucastank

    How to clear up

    Tanks levels good- fish seem happy and corals are growing like crazy! Almost 1 year with the evo - was a project me and my 2 year old did- mostly me a he watched ha. Been great. But lately even with water changes I seem to keep getting what I believe diatoms on the sand - and the very...
  25. LightingBug

    Plastic that comes on new tanks - could it cause Diatoms? Asking for a friend....

    I have an My friend has an IM 20P Pro AIO. It's been running for 4-ish months. I am having My friend has a diatom problem, been treating it for a few days. Of note, I also have My friend also has an EVO 13.5 that was set up at the same time with the same salt, water, etc. No diatom bloom. 3...
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