What's this moss and how do I kill it?
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What's this moss and how do I kill it?

This is a discussion on What's this moss and how do I kill it? within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> I've got this moss growing everywhere, looks like thick cobwebs and it eats my plants and covers my gravel. Kinda grows everything together into ...

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What's this moss and how do I kill it?
Old 02-07-2010, 05:46 PM   #1
 
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What's this moss and how do I kill it?

I've got this moss growing everywhere, looks like thick cobwebs and it eats my plants and covers my gravel. Kinda grows everything together into a smooth surface so my fry lose their places to hide. I try to scrape it out and it grows right back, the algae eaters (flying foxes, plecostamus, and odocynclids) don't eat it, and algaefix won't kill it! Driving me nuts!

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Old 02-07-2010, 05:58 PM   #2
 
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It looks kinda like cyanobacteria, but one of the gurus will know if that's right or not. It looks a lot like the stuff in my tank right now and the reason i'm doing a blackout. But i'm no expert, get a second opinion
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Old 02-07-2010, 08:03 PM   #3
 
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Cyanobacteria aka Blue Green Algae
Caused by low nitrates, dirty filters/ tanks and/ or new set ups with ammonia spike.

How long's your tank been running? What's you NO's and Ammonia readings??

I had it dev in mine last year (just not as hardcore looking as yours) and successfully battled it with a black out upon which it turned into "dust bunnies" and I just vacuumed it up and was done with it.
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Old 02-08-2010, 01:48 AM   #4
 
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Tank is about a year and a half old, pretty well broken in.
Educate me on these "blackouts". I've been out of the fish world lately and this is a new term to me.
Ran out of testers, I'll pick some new ones up and get my levels soon.
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Old 02-08-2010, 11:33 AM   #5
 
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Here's a very good step by step when I had recently walked someone else through this matter via PM http://www.tropicalfishkeeping.com/f...lackout-35508/

What's your water exchange maintenance (How often & How much)? And yea go ahead and test them NO's & Ammonia. A blackout will help yes but if the root cause that made it grow in the first place like that doesn't get taken care of odds are it may come back.
How long are you running your lights (and what wattage do you have over what size tank)?

When I did mine; I did a about 50% water exchange. Blacked it out compleatly with blankets for 4 days; then did another large w/c and super vacuumed the heck out of my gravel and all these 'dust bunnies' that the Cyanobacteria turned into and its been gone since. Thou I have to add for a few weeks after that I had my lights 5hrs on 4 off 5 on.
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Old 02-08-2010, 12:26 PM   #6
 
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I've been limiting my water changes and vacuuming because there's a bunch of baby fish in there so small I rarely see them, trying to make it not too traumatizing for them. Very very minimal vacuuming, change out about 5 gallons (20 gallon tank) every two weeks or so. Lots of light coming in the tank though, 18 watts from a setup I made myself and it's on probably 14 hours a day.
Thanks for the info all. Keep it coming. Hard to do tank cleanups with the babies in there.
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Old 02-08-2010, 12:37 PM   #7
 
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That's not enough w/c especially if you're talking fry & extra feeding of fry each day. I'd strongly suggest to do more like 8-10g each week. And it will not traumatize the baby's.
If you don't wanna vacuum; just put the hose alone in the corner of the tank until you have ~40% water out to change it (that's how I do my shrimp farms; can't vacuum in there).

I'd also limit the lights to 10hrs/day.
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Old 02-08-2010, 02:59 PM   #8
 
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I'll do that, thanks.
So more frequent water changes will solve my algae problem?
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Old 02-08-2010, 05:05 PM   #9
 
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Its the combo of light & w/c - Tanks that are balanced right will not have this problem as you see in yours.

So was this mine; I'd change the w/c and light and do a lack out with a big gravel vac to get rid of this stuff for good and get a liquid test kit to keep the NO's & Ammonia in check.
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Old 02-08-2010, 06:08 PM   #10
 
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Perfect, thank you very much!
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