Tropical Fish Keeping - Aquarium fish care and resources

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-   -   What will eat this algae? (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/what-will-eat-algae-64468/)

shunyata 03-05-2011 08:34 PM

What will eat this algae?
 
Hey! I have a variety of algae eaters, but none seem to want to eat this stuff: Algae | Flickr - Photo Sharing!

Tank occupants:

Betta
African Dwarf Frog
Nerite Snail x2
Amano Shrimp x4
'Yellow' Shrimp x5
Red Crystal Shrimp X2
Black Crystal Shrimp

I don't mind a little algae (it's actually quite pretty IMO), but it is starting to smother my other plants. So, ideas? :)

aunt kymmie 03-05-2011 08:40 PM

Oh, yuck! It's the dreaded cyanobacteria (also known as blue green algae) and it's a bacteria, not algae and no one will eat this crud. Your best bet is to remove as much of it as you can manually. What type of lighting, lighting schedule, frequency of water changes, how heavily planted is this tank?
If not removed manually this stuff will take over your entire tank, if you let it. I just finshed doing battle with it myself. Unlike you I think the stuff is beyond ugly! :lol:

aunt kymmie 03-05-2011 08:41 PM

PS. What are you water parameters?? NitrAte, specifically.

aunt kymmie 03-05-2011 08:46 PM

I just found the article I was looking for, it has alot of good info as far as cyanobacteria.

http://www.tropicalfishkeeping.com/m...acteria-23633/

shunyata 03-05-2011 09:57 PM

Quote:

Originally Posted by aunt kymmie (Post 610160)
Oh, yuck! It's the dreaded cyanobacteria (also known as blue green algae) and it's a bacteria, not algae and no one will eat this crud. Your best bet is to remove as much of it as you can manually. What type of lighting, lighting schedule, frequency of water changes, how heavily planted is this tank?
If not removed manually this stuff will take over your entire tank, if you let it. I just finshed doing battle with it myself. Unlike you I think the stuff is beyond ugly! :lol:

Quote:

Originally Posted by aunt kymmie (Post 610161)
PS. What are you water parameters?? NitrAte, specifically.

Eek!! I'll start the manual battle! 8)

Lighting: 65W CF 10hrs a day. I reduced it from 12 hours about a week ago and its growth slowed. Should I reduce it more?

Plants:
Red Tiger Lotus x2
Banana Plant x2
Dwarf Hair Grass
Duckweed (big & small)
Corkscrew Val (with 4 new runners)
Anubis

Water changes: every 2-4 weeks

PH: 8.0
Ammonia: 0
Nitrite: 0
Nitrate: 0
Phosphate: 1ppm (maybe 1.5)

No 'pungent' smell in my tank? Could it be something else?

BTW, is it possible that this stuff is what killed my Apple Snails? Never did solve that mystery.

gingerael 03-05-2011 10:03 PM

there are solutions you can buy to add to your tank that will kill cyanobacteria without killing the occupants of your tank

aunt kymmie 03-05-2011 10:04 PM

No reading for nitrates?? Odd, in a cycled tank. Are you shaking the heck out of those reagents? (I'm assuming you are using a liquid test kit?)
If it were me, I'd step up water changes to once a week, at least 30%. If there are excess organics in the tank you'll be ridding the tank of them. What size tank, I forgot to ask? If this was a 20gl tank with 65watts of CFL I'd have to say that it was way more light than the tank needs and could be a contributing factor. What is the Kelvin rating on your bulbs?

aunt kymmie 03-05-2011 10:06 PM

Quote:

Originally Posted by gingerael (Post 610250)
there are solutions you can buy to add to your tank that will kill cyanobacteria without killing the occupants of your tank

I'm not a fan of using antibiotics to kill the cyano. Yes, it is safe for the tank's occupants but at the same time it WILL also nuke your biobed. And nuking the biobed, at the same time as when all the cyano goes through a die off, can put the entire tank at risk of crashing. Not worth it IMHO.

PS. I doubt the cyano killed your snails. Must have been something else that caused that.

shunyata 03-05-2011 11:39 PM

Quote:

Originally Posted by aunt kymmie (Post 610251)
No reading for nitrates?? Odd, in a cycled tank. Are you shaking the heck out of those reagents? (I'm assuming you are using a liquid test kit?)
If it were me, I'd step up water changes to once a week, at least 30%. If there are excess organics in the tank you'll be ridding the tank of them. What size tank, I forgot to ask? If this was a 20gl tank with 65watts of CFL I'd have to say that it was way more light than the tank needs and could be a contributing factor. What is the Kelvin rating on your bulbs?

Yep, shaking it like crazy. API Freshwater test kit (except the phosphate reading, that came from the reef kit). I use to get nitrate readings, but after adding the duckweed it went away. <3 Duckweed!

It's a 15 gallon tank and ya, it's too much light. Worse, it's actually a 2-light set I run it without the 65W actinic. I'm only using the 65W 12000k daylight bulb. I haven't downgraded because it was a Christmas gift, but if this continues I may have no choice.

Did a 30% water change; great minds think alike ;). I missed a couple spots, but I need sleep. 8) I'll do weekly water changes and continue the war. I think my plants can handle a few lights-off days, so I'll also try that.

Quote:

Originally Posted by gingerael (Post 610250)
there are solutions you can buy to add to your tank that will kill cyanobacteria without killing the occupants of your tank

I appreciate the suggestion, but I'm going to try chemical-free first. That's just how I roll. :)

underh2o 03-06-2011 09:58 AM

That is a whole lot of light on a 15 gal. aquarium!!!


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