Hair Algae? Or?

Brady4000

I just wanted a Mantis Shrimp.
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What’s coming off the rocks?

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Branching hydroids.

Filter feeders that can sting and irritate corals Explodes when there is too much desolved organics in the water. Did you just start feeding corals or doing something different thats adding more organic into the system?

They usually die back down once yiur dissolved organics go back in line.
 
Branching hydroids.

Filter feeders that can sting and irritate corals Explodes when there is too much desolved organics in the water. Did you just start feeding corals or doing something different thats adding more organic into the system?

They usually die back down once yiur dissolved organics go back in line.
Thanks, well... I feed a lot I “think”. I feed AB+ 10ml, Dried Plankton 1/4 tsp, Live Plankton 15ml daily.

I also feed sinking pellets to the CUC (morning) and dry food to the clown (morning) as well as frozen meaty food to the clowns (night).

my Refug and bristle worms keep my nitrates in check.

am I doing something wrong?

FYI it’s a 32 Biocube
 
Live stock is

2 clowns
1 cleaner shrimp
1 peppermint shrimp
10 hermits.
assortment of snails.
Enormous bristle worms (love hate relationship)

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Also it seems that the weird hair things are only on the left side of the tank next to the Japanese willow...
 
Well that certainly explains it.

"High thru put" nutrition is actually good for the coral. I do the same thing. If you have a lot of corals that's also benefiting from the nutrition and your waste export can keep up then I don't see anything wrong with it.

Its a surface area and math game - the nutrition in your water doesn't discriminate what its feeding. Target feeding helps to a degree but there's not much else you can do. Having a more diverse filter feeder biome may help control its population via competition such as sponges, vermatids, feathers, etc.. but those take time to establish

Just keep an eye on them if they get too close to corals and bothering them you can always try to scrape them off, or even cut back on the daily dosing for few weeks and they will die back. Ur corals can survive the temporary "fasting" since they can make food from light. These hydroids can't so they'll die quickly once the food source is gone.

FWIW, here's my tank. I went a little overboard with reef roids this week and they came back with a vengeance so im going to cut back next week and they will go away. This ebb and flow has been going on for ages and no issue in my tank as long as its kept under control.

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Thank you for the thorough input!!! I’ll cut back on feeding the coral for a well as well. Seems to be upsetting my Jap willow.

Just glad I can live with them, really not in the mood to do something extremely invasive lol. Good news. I’ll look into sponges, vermatids and feathers as you suggest. Lol because well that’s more stuff to look at.
 
I’ll look into sponges, vermatids and feathers as you suggest.
These that im referring to are all hitchhikers.

Some LPS sell feather dusters but if you buy, stick to the common dwarf ones. LpS often sell expensive fancy ones like coco worms or Xmas tree worms. Those are a lot harder to keep

Same with sponges. The common ones are pineapple sponges that usually just tag along in love rock. LpS sell fancy sponges but those are hard to keep as well

As far as I know, no one sells vermatids specifically.

Your best bet may actually be to get a diver acquired real live rock
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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  • Not yet, but I have one that I want to buy in mind!

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  • No.

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  • Other (please explain).

    Votes: 3 4.3%

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