Hair algae killing my moss. Suggestions?
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Old 08-09-2012, 04:55 AM   #1
sphack
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Hair algae killing my moss. Suggestions?




Here is a picture of my hair algae and thread algae covering some moss. This is after I cleaned up the majority of it with a toothbrush. The moss is just covered. DHG on the bottom has some as do most of my plants. Its killed a few plants, but most are doing pretty well.

I've been fighting this stuff for a few weeks now. I'm running 2 T5HO bulbs about 12" above the water surface (correction: not substrate). Dosing PPS-Pro with CO2 on pH controller (dark green drop checker)

Here is a picture of the entire tank:


I'm cleaning every day or so removing as much as possible with a toothbrush (1 - 2 hours). I'm spot treating with Excel using the normal dosage (1 ml / 10g) every other day.

I don't have my water parameters off hand, but the tank finished cycling about a month ago so it is still pretty new and settling in. pH sits at 5.6-5.7. I have to increase the dKH to 4 from the very soft tap.

Any suggestions? I've used H2O2 in the past while doing a fish-less cycle. How often / how much water change do people recommend in conjuction with cleaning? I'm doing 20-25% twice a week.
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Last edited by sphack; 08-09-2012 at 03:18 PM.. Reason: Fixed incorrect bulb height
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Old 08-09-2012, 05:19 AM   #2
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this stuff.. i have problems with it too.

i've been dosing lightly with metricide14 to try and combat it. physical removal is just part of the routine for me anymore...
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Old 08-09-2012, 05:32 AM   #3
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well there are a few things u really need to think about. first is the t5ho what size tank is on? what type of t5 and reflectors does it have (can play a much better roll than u think), next is co2 while u have a dc is it good/current? this is one main reason i dont use them you can tell what ur plants an fish need by looking at them just like u would a dc, next is what is ur lighting sched same with ferts the last thing that i notice helped my situation was increased flow really helped, likely its from light light not enough co2 (while ur dc can stay where it needs to your light could be to much for the co2 ppm in that range which i see people overlook and think/blame other areas.

once thats a bit more in balance likely more co2 or less/raised light, i would take the wood out if you can (looks like its not hard to remove and spot treat with pure ho for just a couple minutes then put back into the tank after its done 2-3 min is plenty for pure 3% ho dont over do it as u can damage the moss if u leave it sitting in it. then after 4-7 days retreat any areas that need it, but let me say this again if you dont correct the problem it will comback worse. i used to have to pull out softball sizes from one neglected tank every week, but once its in check/balanced it is much much easier to fix. also shake out any of the debris that is collecting as its compounding the problem by breaking down there instead of your filter where u want it. hope you got some info from that
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Old 08-09-2012, 06:59 AM   #4
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maybe too long of a light schedule?
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Old 08-09-2012, 07:08 AM   #5
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You can try dropping the light to 5 hour days.

I tested Algaefix on hair algae(Spirogyra)recently in a quarantine tank for a client. They have no shrimp or inverts, it cannot be used with inverts.

It took awhile, about 4-5 days of treatment for it to have any effect.
But it seemed to do the job. Will not hurt fish or plants, not sure about ALL PLANTS. But S belem was not effected. I trimmed and tossed the other plants away, but I might try some more out in the quarantine tanks, they do not have CO2 or long lighting, sometimes I do not turn on the light at all etc.

Plants are just floating in there.

So it's an ideal way to test if you can save/clean up certain species etc.
Still, the root issue needs addressed other wise...........the plants do not grow well and it keeps coming back.
Mild CO2 issues often seem well correlated with green algae issues, particularly that 1st half of the day light cycle.
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Old 08-09-2012, 12:40 PM   #6
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You have a very nice looking tank. Your light is upper medium by some standards and high by others. I know that we are not supposed to be able to rely on drop checkers, but if mine were dark green, I would consider the co2 low. I would start raising it a little bit at a time, while watching your fish for signs of distress. Have you tested your nitrates and phosphates lately?
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Old 08-09-2012, 03:26 PM   #7
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Quote:
Originally Posted by livingword26 View Post
You have a very nice looking tank. Your light is upper medium by some standards and high by others.
Read my original post - the lights are 12" about the water surface, not the substrate. They are about 28" above the substrate on an 18" high tank.

Quote:
Originally Posted by livingword26 View Post
I know that we are not supposed to be able to rely on drop checkers, but if mine were dark green, I would consider the co2 low. I would start raising it a little bit at a time, while watching your fish for signs of distress.
Last night, the drop checker was floating in my tank. Rinsed and reloaded with fresh solution. This morning, it was on the yellow side of green.


Quote:
Originally Posted by livingword26 View Post
Have you tested your nitrates and phosphates lately?
Was planning on testing the nitrates last night, but it got to late (I spent too much time here). I believe I have a phosphate test. (I know I have a test or two that I've not opened yet, it might be a phosphate kit.)

I need to double check exactly how much light the tank currently gets. I've been slowly turning it down. It is somewhere in the 8-9 hour range.

Would a few Amano shrimp make a difference in the tank?
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Old 08-09-2012, 03:34 PM   #8
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Quote:
Originally Posted by HypnoticAquatic View Post
first is the t5ho what size tank is on? what type of t5 and reflectors does it have (can play a much better roll than u think)
I knew I would get in trouble for not posting everything initially.

Tank Stats:
75 gal
gravel substrate (1-2mm - small stuff) w/ laterite over sand
2x weekly water changes 20-25% each, sometimes on the weekend upwards of 50-60%

Ferts:
PPS-PRO - micro and macro
Excel every other day (1 ml/10 gal)

Fish:
3 plecos, 9 raspboras, 4 cardinals, 6 panda corys


Quote:
Originally Posted by HypnoticAquatic View Post
next is co2 while u have a dc is it good/current? this is one main reason i dont use them you can tell what ur plants an fish need by looking at them just like u would a dc,
Funny you should ask about it being current. It just fell off last night and I replaced the solution. This morning, it was yellowish green.

Quote:
Originally Posted by HypnoticAquatic View Post
next is what is ur lighting sched same with ferts the last thing that i notice helped my situation was increased flow really helped, likely its from light light not enough co2 (while ur dc can stay where it needs to your light could be to much for the co2 ppm in that range which i see people overlook and think/blame other areas.
There is a 425 gph karilia power head on the right hand side.


Quote:
Originally Posted by HypnoticAquatic View Post
once thats a bit more in balance likely more co2 or less/raised light, i would take the wood out if you can (looks like its not hard to remove and spot treat with pure ho for just a couple minutes then put back into the tank after its done 2-3 min is plenty for pure 3% ho dont over do it as u can damage the moss if u leave it sitting in it. then after 4-7 days retreat any areas that need it, but let me say this again if you dont correct the problem it will comback worse. i used to have to pull out softball sizes from one neglected tank every week, but once its in check/balanced it is much much easier to fix. also shake out any of the debris that is collecting as its compounding the problem by breaking down there instead of your filter where u want it. hope you got some info from that
The wood does not come out easily. There is a center cross brace right above the top point of the wood. You can see the shadow in the picture.

I will continue to stir up the bottom as much as possible before water changes to eject as much mulm/debris as possible.

Good to know dosages for pure h2o2. I might have killed some moss by soaking it too long outside of the tank. I've not gone as far as trying to spot treat with h2o2 in the tank as some have suggested.
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Old 08-09-2012, 05:25 PM   #9
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had to look on ur other post but 4t5ho with good? reflectors is going to be where id start its likely to much light for the ammount of co2 u have currently, your bubble rate is probably to fast to count with those lights and a tank that size, so if your fish are able to handle more then try bumping it up if not you will have to lower the light by taking of the reflectors or useing less bulbs or raising it up more/screening it, several options to try.

if the wood doesnt come out easy then just spot treat it when u do a wc drop the water level to the exposed area treat then refil or just treat while in the tank. a little trial an error can help show u what u like vs the other just dont go overboard with the h2o2. when i doesed it i just did the tank as its likely not in one spot but a little hiding everywhere.

id personally stop using excel and use that to only spot treat if your running co2 its pretty much pointless spending of your money rather see u save it for when its actually usefull. i did notice when my kh dropped off idk why only happend in one tank that most of my plants were not doing as they normally did so bumped up the kh with bakingsoda and slowly came back.

as for wc thats really up to u i used to do them every week then figured out i dont really need to yes it helps replenish some micros but ive have no real issues with doing it once a month or when i want to a tds meter helps also so u can actually see the build up then a good 50%wc does better than a few small ones. just gotta see what works for your setup and fauna there is no blanket answer that works 100%.

i was talking about the mulm in the plant/moss need to try an keep it free of debris.
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Old 08-09-2012, 06:43 PM   #10
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Quote:
Originally Posted by sphack View Post
Read my original post - the lights are 12" about the water surface, not the substrate. They are about 28" above the substrate on an 18" high tank.

I believe on another tread, you measured 70 par, thats medium/high light, which is fine, as long as you are diligent with co2 and ferts.
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Old 08-09-2012, 06:47 PM   #11
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If you have a dark green drop checker one day, and then change the solution, and it yellow green the next day, it seems like there might be a problem somewhere. What exactly are you using in the drop checker?
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Old 08-09-2012, 07:07 PM   #12
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The 70 par is with four lights going. Currently with the algae I've started running two. The reflects are good parabolic polish aluminum.

The drop checker is filled with 4 dKH solution and 5 drops of the indicator. It is a small plastic one that I picked up here. I would not call it yellow green, but starting to show some yellow signs in the green. Nothing has really changed. Even with my flow the co2 turns on and off often. I'll monitor it for the next few days and verify it is consistent.

The wood still leaches some tannins in the water so I'm changing it fairly often. I've noticed good fish activity right after a water change especially with the plecos.

I dose ferts daily. The fish are fed at least every other day often every day. Some of it depends on how much algae wafer is in the bottom. Given an extra day every body munches in it nicely. I'm looking at moving to ei once I finish with my current bottle of mix. That would enable me to claim nutrients are not limiting the fish. Then it becomes balancing lighting schedule with co2.

Would more floating plants help?
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Old 08-09-2012, 07:19 PM   #13
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I think running 2 lights will be excellent. That should help your algae problem. Be sure to test your nitrates and phosphates occasionally. That gives you a feel for where everything is. And I would also go with 50% water change weekly as opposed to 25% biweekly.
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Old 08-09-2012, 10:12 PM   #14
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You got me curious now... I wonder what the PAR is with two lights turned on.

Just checked my amazon order history. I did pick up a phosphate test kit in June that has been sitting on my shelf. From a little searching, I should try to get the nitrates:phosphates at a 10:1 ratio, right?
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Old 08-09-2012, 11:16 PM   #15
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Quote:
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You got me curious now... I wonder what the PAR is with two lights turned on.
Since you have individual reflectors, I would think it would be 1/2. 35 par is at the bottom of the medium range according to hoppy's thread here, and will grow most things:

http://www.plantedtank.net/forums/sh...d.php?t=184368

Low light - 15-30 micromols of PAR - CO2 is not needed, but is helpful to the plants
Medium light - 35-50 micromols of PAR - CO2 may be needed to avoid too many nuisance algae problems
High light - more than 50 micromols of PAR - pressurized CO2 is essential to avoid major algae problems

Quote:

Just checked my amazon order history. I did pick up a phosphate test kit in June that has been sitting on my shelf. From a little searching, I should try to get the nitrates:phosphates at a 10:1 ratio, right?
Nitrates:Phosphates - 4:1
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