Newby questions--dying wisteria, brown algae; help!

freebird

Registered Member
Apr 5, 2007
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Hi all!
I planted my tank (my very first) on Saturday, and the water wisteria (which I had planted specifically to soak up nutrients, since most of the other plants are slow growing) immediately began to waste away. Each leaf is turning transparent, one by one, and today stalks detached themselves from the bottom and floated to the top of the tank (they came rooted, but the roots have turned brown and mushy). The only things which are really doing well are amazon frogbit and rotala wallichi (which I thought was supposed to be difficult:confused: ). I also have dwarf hairgrass, anubias nana, taiwan moss and weeping moss in there; they seem to be holding their own and neither growing nor dying.

What did I do wrong with the wisteria? Should I yank it out or hang in there and hope it recovers? Replace it with something else fast growing?

Without the wisteria, the tank is pretty full but not exactly densely planted--everything except the frogbit is small and slow-growing. I've already got hefty amounts of brown algae on the driftwood, and some on the moss and the anubias. Can I safely add some otos to eat it, or should I wait till the plants are really growing well? If I just wait, will the plants ultimately use up the nutrients in the water and get the upper hand, or will the algae get out of control?

Sorry for the long post, but I'm brand-new at this and trying really hard to get it right.

Specs:

24 gal. aquapod, 64W on for 10 hours
ecocomplete
DIY CO2
No fish yet, no ferts yet
Nitrates 0, Nitrites 0, GH 75, KH 40, pH 6.5

I think the high pH is from the driftwood, which is still leaching tannins even though I soaked it for a long time. I had read that that wouldn't do any harm, but now I think I should have waited. Should I try to make the water more alkaline?

Any ideas would be really, really helpful.

Thanks!

Anne
 
You have a high light tank with no ferts and wisteria are fast growing nutrient sponges, you're starving them. Fast growers will show nutrient deficiency before it is evident on slower growers. You need to either dose ferts or turn off one of the lights to slow down growth.
 
this might be a silly question but have you cycled the tank? plants need the bio filtration activity too they need nitrates from cycled fish waste, yada yada

oto's won't eat brown algae- it's actually bacterial and a sign of poor water quality

you can't do a fishless cycle with plants so i would do a big water change add one or 2 hearty livebearers and get a well balanced fertalizer dose twice a week and you'll find your wysteria becomes a weed and the brown algae disappears

you've got a great start you just need to tweek your system a little.

cheers-K
 
this might be a silly question but have you cycled the tank? plants need the bio filtration activity too they need nitrates from cycled fish waste, yada yada

oto's won't eat brown algae- it's actually bacterial and a sign of poor water quality

you can't do a fishless cycle with plants so i would do a big water change add one or 2 hearty livebearers and get a well balanced fertalizer dose twice a week and you'll find your wysteria becomes a weed and the brown algae disappears

you've got a great start you just need to tweek your system a little.

cheers-K

What are you talking about? Otos love brown algae and it isn't bacterial, you must be thinking of cyanobacteria AKA blue-green algae. Brown diatoms are usually found in new tanks and is due to too high silicates in the water and low light.
http://www.plantgeek.net/article_viewer.php?id=9
 
Plants don't need a cycled tank, they need nutrients which ammonia and nitrates (nitrogen) are just one of many. The others are potassium, phosphates, iron, calcium, magnesium, trace minerals, and CO2 (which is covered).

Brown algae is very common in new tanks, once the the plants take off the algae will go away. Don't add otos until you address the fert issue and your plants are growing.
 
was that plant near your filter intake? I have a new tank that all the other plants are thriving in, besides the cw endtii I planted next to the filter intake. it did what you described, disintegrated quickly over a few days. I yanked it out, and everything else is growing rapidly.
 
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