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Old 09/06/2020, 12:44 PM   #1
Krchfam
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Brown Algae - fine strands - ??

Tank is a year and half old, struggling with some sort of brown algae that is growing on the bottom. It looks like fine strands that cover the surface and when I vacuum the sand it doesnít seem to come off easily. I have battled Cyno about a month ago but this is different and the chemical war does nothing on this stuff. Have also started to find fine strands of string (algae?) on some on my corals.

Parma - 1.026, ph - 8, calc 420, nit 8, alk 8.4, phosphates 0 - but who knows.

Mars Augustine lights, blues at 70%, Whites at 35% , on at noon and off at 10.

Any thoughts? Thanks. - best pics I could get






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Old 09/06/2020, 02:49 PM   #2
Sk8r
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Looks like dinoflagellates. Look in the 'algae' post up at the top of the forum.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 09/07/2020, 01:02 AM   #3
dannyfish
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A bullet goby will take care of your algae sand problem.


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Old 09/08/2020, 11:14 AM   #4
Krchfam
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This really sucks. Guess Iím hitting the frustrating phase of Verm Snails, Aptasia and now Dinoís. Good grief!


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Old 09/09/2020, 05:06 PM   #5
Michael Hoaster
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I agree it looks like dinos. They are a challenge but can be beaten. Do your research and start listing things to do, and form a plan. The one thing that consistently seems to help is UV. Good luck!


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our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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Old 09/09/2020, 05:13 PM   #6
Krchfam
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Just ordered a new bulb for
Mine.


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Old 09/17/2020, 08:50 PM   #7
A Aaron
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Only thing that ever worked for dinos was getting phosphate and nitrate up a little. When ever one of those was 0 or very close I got dinos. I tired every other thing people recommended.


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Old 09/18/2020, 10:13 AM   #8
Krchfam
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Iím in middle of ďDr TimísĒ recipe and blackout. Will see. My phosphates are always 0 no matter what I do but my nitrates at usuallly around 5-8. Maybe I need to dose phosphates ?


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Old 09/18/2020, 11:30 AM   #9
Michael Hoaster
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I've never believed the theory that low nutrients can lead to dinos. Both of my dino experiences occurred after high nutrient events. But there are over 1000 species of dinos, so who knows? This is why dinos can be so challenging. My dinos respond differently to treatments, compared to your dinos. Plus, we often throw the kitchen sink at these things, so we may not know which thing we did was effective.

I just treat it like algae and focus on the basics. Food reduction, food competition, and predation. Since we don't know what exactly their food is, the surest bet is manual removal of the dinos. When you're an alga, you are what you eat. So where is their most concentrated food source? The water column? Nope, it's dinos themselves! I recommend manual removal every other day.

For food competition, I like a fast growing macro like Ulva. In Nature this algae ebbs and flows with nutrient inputs from runoff. It can also perform this function in our tanks very well.

Predation should be provided by snails, fish and pods, unless you are unfortunate, and have the dinos that kill anything that eats it. Pods are overlooked as algae controllers. Order 1000. Mollies can be acclimated to full strength sea water. They will eat it, provided you don't feed them. I like reproducing snails like Cerith and Mini Strombus (ipsf.com). Having a variety is key, so get several species to boost diversity.

During this battle, keep the UV going 24/7. Good luck!


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As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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