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Old 01-22-2009, 12:13 PM   #1
Kanutrustme
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Sea Hare


So I ended up buying a sea hare to get rid of my hair algae that won't go away. As in my previous posts, my water specs are all looking good. I cut back feeding to every other day. But I wanted to get rid of the algae as quickly as possible. Hence the sea hare. He did nothing but remain on the glass and eat the algae off there. He never touched the rocks. I actually picked him off the glass on two occasions to place him on the rocks, only to find him back on the glass within minutes.

He finally croaked after a week. I was just wondering if I got a defective sea hare or if anyone else has had this problem. I'm thinking about going back to my lfs to "rent" a bigger one but I don't want to kill another.
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Old 01-22-2009, 12:58 PM   #2
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no more sea hares! they like colder waters!
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Old 01-22-2009, 01:46 PM   #3
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Originally Posted by wolfe4372 View Post
no more sea hares! they like colder waters!
There's really no quick fix?? There's a big bushy green patch of algae at the base of my rock. I've tried scrubbing it off and it won't budge.

Would doing 10% water changes every week be too drastic?
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Old 01-22-2009, 02:13 PM   #4
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That would be fine.
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Old 01-22-2009, 03:54 PM   #5
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there are some warmer water sea hares, but that is not the problem. most sea hares like to eat all algae, but some do not. my guess is you got the ones that do not like hair algae. sea hares are voracious eaters, and in most cases die in the aquarium unless you have a very large tank with loads of algae. i kept one for about a year. i lost it in a pump accident. the real reason i lost it is that it was starving and the sea hare got small enough that the pump became a danger. the reason why it started starving was because i finally fixed the sources of the algae. i was moving the sea hare between 3 tanks to keep it fed, but i was just getting better and keeping the phosphates under control and the food for the sea hare started going away. the sea hare was in 3 tanks totaling 250g.

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Old 01-22-2009, 04:25 PM   #6
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a lawnmower would be a better candidate as a long term tank inhabitant that also typically likes hair algae. As already stated they do not all like hair algae. You also should not look for the quick fix, but instead look to correct the source of the hair algae. IMO.

Good luck!
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Old 01-22-2009, 05:30 PM   #7
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Quote:
Originally Posted by Kanutrustme View Post
There's really no quick fix?? There's a big bushy green patch of algae at the base of my rock. I've tried scrubbing it off and it won't budge.

Would doing 10% water changes every week be too drastic?
thats what ive been doing
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Old 01-22-2009, 05:58 PM   #8
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Originally Posted by cerobbins View Post
a lawnmower would be a better candidate as a long term tank inhabitant that also typically likes hair algae. As already stated they do not all like hair algae. You also should not look for the quick fix, but instead look to correct the source of the hair algae. IMO.

Good luck!

well I do know for sure that my canister filter is most likely the cause but until I save enough money to purchase a skimmer, I'm stuck with that at least. Hopefully by cleaning it each week and water changes the algae will slow down. it's just nasty looking stuff that I wish I could remove quickly.
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Old 01-22-2009, 06:01 PM   #9
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Oh and I also forgot, but when I purchased the live rock it came from someone else's tank that got out of reefin'. so even though the rock was algae free when I got it, could there be things that were absorbed and are slowly releasing into my tank?
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Old 01-22-2009, 06:10 PM   #10
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If they're long, scrubbing will be tough.
Get some scissors and cut off as much of the algae as you can.
Then try scrubbing it.
It helped me a lot.
Also, when it's short, critters in your tank are more likely to nip at it.
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Old 01-23-2009, 10:20 AM   #11
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sounds like time to cure the LR.

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Old 01-23-2009, 12:28 PM   #12
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sounds like time to cure the LR.

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UGH Those words freak me out.

So just an update. I did a major cleaning last night. I took a turkey baster and shot off any debris and crud that was in the holes of the rocks. I then was able to get the worst algae covered rock and remove it from the tank. It was covered in brown hairy algae. I did a 10 gallon water change while sifting the sand and tried to suck up any large algae that was loose. Next was the canister filter, which surprisingly wasn't bad. So let's hope for the best because the last thing I want to do is take all the rocks out to start over.

just in case....how long would you say you cure rock?
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Old 01-24-2009, 08:43 AM   #13
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it takes a couple of months to do it right. it all depends on how bad the LR is. when the detritus stops falling out of the LR than it is good to go.

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Old 09-02-2009, 06:44 AM   #14
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You got the wrong kind of sea hare.

I have a 300 gallon tank with a huge insert that was totally covered with hair algae. My tank guy would scrub it off and suck it out each week but it really was not working.

We tried, scrubbing
40 gallon a week water changes
Algae killer (killed fish too)
Lights off 3 days a week
new lights
cut down on feeding
YES always RO water
Phosphate reactor with ROWA PHOS. This is good but it will take like 4 months for it to go away.

I purchased two 6 inch sea hares. Family Aplysiidae species - Sea Hares
3 emerald crabs, bunch of blue hermits, 9 giant turbo snails.

The sea hares put them all to shame. They east like 20x more than anything else.
When they go through an area they hoover it down to nothing. They don't leave much behind. I am totally amazed. In two weeks they have almost cleaned the entire tank of hair. It was so bad that the tank looked dark even with the lights on. The hair just sucked up all the photons.

I really can't believe how fast they ate the hair algae.

My tank is 78 deg and they seem to like that temp fine.

I might sell one back after they are done.

Not all sea hares are the same, get one from that species. Mine appear all bumpy and a pale whitish color. One is darker, the light one eats the most.

The hermits, snails, emerald all pretty much a waste of time. I had a lawnmower blenny at one time, he did not put a dent in it.

Sea HARES rule hair algae.
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Old 05-25-2014, 10:49 PM   #15
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Sea hares ; please dont talk about them unless you know what your saying


Quote:
Originally Posted by wolfe4372 View Post
no more sea hares! they like colder waters!
SEA HARES : Magnificent addition to any tank : They are happy to roam around cleaning your tank for free : If you do not have enough food source for them you will need to feed them. They are not toys to be moved to rocks because you want to clean them. Let them do what they are intended to do. I thought we were all trying to create a natural habitat for all of the species we introduce to our tanks.

They have a short life span, but i doubt you are helping them by treating them like a hoover. I appreciate this is an older post, but i hope someone will see the wisdom in this.

I currently have over 20 juvenile sea hares growing in my tank, they are a miracle
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