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Ready for CUC and need advice


jp75

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I have a coralife biocube 29 running for 3 weeks now. It has 30 lbs live rock and 30 lbs live sand. I'm using the stock lights for now for a total of 6 hours per day.

 

Ammonia is 0 and Nitrite had been 0 for 3 days. Nitrate is around 40ppm. Most of the brown algae is gone, but there is a ton of GHA all over the place.

 

Should I clean THE GHA prior to placing CUC in our leave it for them? Also what quantities of what should I place in for the CUC. I wanted to put in a serpent starfish with them at the same time as well.

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I would get a single turbo snail and make sure to get a routine going for water changes. Not many snails will eat GHA but turbos usually do and in that size tank, you wouldn't want more than 1 of them. Also, it's pretty common to go through different phases of algae for the first 6 months to a year. Most will pass on their own with good maintenance.

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fishybusiness11

+1 ^

 

Look at reefcleaners for CUC. I only go to them now, last time got a ton more then I ordered. I have also done the 29g package they have for my biocube and was very satisfied.

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So my lfs advised for me to do one more water change and waiting a week before getting the CUC. While doing the water change should I try to clean out a lot of the GHA or should I leave it for the CUC next week?

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B16acrx1988

If you don't have any fish or corals I would do a large water change, clean out as much as you can, turn out the lights for a couple days and run some gfo. Then order a cuc from reef cleaners.

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Manually remove as much as you can w your hand or a nail brush, rinse in salt and do a big water change even 50% you want to lower your phosphates, that's what's feeding the growth of algae. a turbo is the best for gha, like posted above usually just 1. Maybe 2 and when it's greatly reduced or gone give those puppies back to the lfs, too big of a snail for our nano tanks, will knock over all your coral.

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When I did the water change I took the rocks which had algae on it and scrubbed them in the bucket of the tank water I siphoned out. I also scrubbed the glass and got most of the GHA off of the sand.

 

I will retest the water in the morning and see how things are.

post-85134-0-40858900-1406093555_thumb.jpg

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You may not need to add anything. Just keep up with the water changes and it will likely go away on its own since you don't have an active nutrient source in the tank.

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Chandler221

Sorry for this newbie question but what is GHA?

 

And I have a 10 gallon tank and my LFS said 3 Turbos.

 

After reading this thread...I am second guessing that suggestion.

 

thoughts?

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So I tested my water today and found my nitrites rose up to 0.25ppm and my nitrates dropped to 20ppm. Is it normal to see the nitrites rise slightly? There is still no livestock besides the hitchhikers from the rocks. I did add a ball of chaeto which was added Appx 20 hours before the water change.

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Sorry for this newbie question but what is GHA?

 

And I have a 10 gallon tank and my LFS said 3 Turbos.

 

After reading this thread...I am second guessing that suggestion.

 

thoughts?

 

I wouldn't do more than about 1 turbo per 30 gallons unless you can rehome them once the GHA is gone. They require a lot of food and will starve without a constant supply. Even a single one can starve in a low nutrient tank no matter what size it is.

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I added 4 small turbos to my 20 gallon long tank when I first started. Did a really good job keeping clean but 2 eventually died, I am guessing due to lack of food. So yes, don't get more than 1. Also, turbos get really big and they tend to push around corals a lot. Doesn't really hurt the corals but if you have small pieces or frags on the sand, or not glued, they will get knocked down or pushed around. My favorite ones are:

 

1) margarita snails - voracious appetite. cleans rocks and glass. can turn itself back up

2) nassarius snails - absolutely essential if you have a sand bed. keeps sand stirred and eats up all leftover food from gravel

3) cerith snails - get big ones from LFS if possible. these are great cleaners and best of all, they mostly graze from the sand bed, taking care of cyano.

 

Don't get astreas. They can't get themselves back up if they fall on their back. I got 5 and 4 of them died in a few months. None of my other snails have died.

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Retested water this morning and nitrites returned back to 0 but nitrates went back up to over 40ppm. If I just did the water change 2 days ago when should I do the next one?

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Chandler221

They cleaned all my GHA in the matter of 16 hours hours lol I think I will goto the LFS in the moring and switch them out.

 

I currently only have the 3 Turbos and 3 blue leg hermits.

 

How many all together of a CUC should I have in a 10 gallon?

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It depends on your specific conditions: feeding, bioload, lighting, water change frequency... so every tank is different. you can start with a small number and then slowly add more if you see there is enough algae. but definitely get a mix of various ones - ones that feed off of rocks and glass, ones that feed off of sandbed, and then ones that burrow into and stir up sand bed. I would say, if you get medium sized ones (not big ones like turbos, or tiny ones like dwarf ceriths), then 3 of each should be a good place to start.

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Swing2Harmony

Retested water this morning and nitrites returned back to 0 but nitrates went back up to over 40ppm. If I just did the water change 2 days ago when should I do the next one?

 

I would do couple of 50% WC 4-5 days apart.

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IMHO. You shouldn't experience gha in the first 3 or 4 weeks of the tank. it's normal for some brown diatoms, not gha.

 

I am curious if you are using dry rocks in the beginning and RODI is questionable.

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Manually remove as much as you can w your hand or a nail brush, rinse in ro.

Yeah that's not too hot an idea to rinse cured live rock in freshwater. Why not salt water? Why risk killing off massive amounts of beneficial bacteria by soaking LR in fresh water? I'm not following the logic there.

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Yeah that's not too hot an idea to rinse cured live rock in freshwater. Why not salt water? Why risk killing off massive amounts of beneficial bacteria by soaking LR in fresh water? I'm not following the logic there.

Sorry buddy meant salt. The bottle got the best of me that night! Correction made.

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Lol. I figured it was an oversight. I just wanted to point it out so the poor guy didn't nuke his nitrifying bacteria colony. I've have drunk commented many a time. Matter of fact, probably 80% of my posts I have been inebriated in some way or another.

 

I'm actually on my second IPA right now lol

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