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limnobium laevigatum

sdlra

sdlra

Member
Joined
29 Sep 2010
Messages
108
Anyone can give me useful info on limnobium laevigatum concerened that i might have too much surface agitation on the top as i am using 2x eheim Pro 3 e filters via spary bar
 
We have it invading the Sacramento River delta, and several other rivers like Hyacinth in CA, USA, it handles 20-50cm waves no issues.

You can corral the floating plants into a corner and they will do well and spread.
 
Hi,
I've tried it a few times and had no luck with it.
I have a feeling my lighting was too close, it didn't like the ripple on the water or there's something else I've gotten wrong??? But it's been tried on 3 tanks with varying setups, from high tech to low and slow.
It's beaten me every time, but I would really like a mass of it to be doing well in my big tank one day.
Anyone else???? :)
Cheers

Gavin
 
Let you how it goes using a t5 luminare with x4 39 watt although all 4 only on four 2 hrs
 
Really not doing very well give another wk or so but think wil have to discard
 
This grows like a weed in my tank, but it is an open one and with lots of water movement. I really like this plant for startup period as it can help limiting the amonia spikes.
 
Tank is open lots of movement but thinking luminaire too low
 
Will do but just to say leaves dying off quickly some with black dots.The roots underneath look fine and growing though.Use EI dosing method and all plants thriving
 
Ok, I can't remember who it was, but I think it could be Darrel who posted about frogbit with fert deficiency along with pics.

I could be way off but your other plants are doing fine but the frogbit is not limited to co2 and can have a higher nutrient demand. I would treat it as a deficiency and adjust dosing accordingly to what you see. It's the older leaves being affected.

But then again I could be way off, just thinking out aloud.. :shh:
 
Hi all,
Not sure from the photos, they look a little sorry for themselves, but the holes themselves look like physical damage, where something has had a nibble on them. I might try just pruning off all of the yellowing leaves and upping the N and K for a bit.

The marks don't look like condensation damage, with that you usually get a big brown blotch in the centre of the plant .

cheers Darrel
 
Thanks to all will spend the time getting rid of all the damaged leaves etc not sure what would be eating eat though? Have Rams Cardinals and Rummy Nose will increase dosing but still convinced that they might have too much light 39wX4 and the Luminare being too low as on bracket not suspended


http://img836.imageshack.us/i/imagewyk.jpg/
 
Hi all,
Rams, Cardinals and Rummy Nose
Click to expand...
If they are being eaten, it is none of those. Do you have Red Ramshorn snails? The lack of growth may be to do with the heat from the luminaire rather than the light intensity, I don't think it is light intensity per se as I have plants in the glasshouse receiving ambient light with additional 400W SonT grow-lights and they all do very well (even at about 15oC water temperature).

cheers Darrel
 
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