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Clubber 07-31-2011 12:18 PM

Jungle val breaking apart daily
So far in my 29 gal, the only plant that isn't doing so well is the jungle vals. Pieces of them continue breaking off and floating to the top.

I have 65watt of power compact flourescent light over my tank. I'm using no Excel, no CO2 but a little fert (Flourish Comprehensive). And they're planted in play sand.

Is this common for vals?

zof 07-31-2011 01:46 PM

While the leopard vals I got adjusted to my tank, the jungle vals I got didn't do as well, they might be more sensitive trying to adjust to water parameters?

kitten_penang 07-31-2011 02:16 PM

if you don't use co2 you might want to get a canister type doesn't add o2 to your tank like the others.try a brighter light and add more fert.these plants love extra fert.make sure the tanks temp is cool too.most plants like these prefer cooler tanks

Byron 07-31-2011 07:18 PM

I think the same thing is occurring to me. The "plant" I have was sold to me as the wide-leaf chain sword, but by its growth this seems highly unlikely and to me it looks like Vallisneria americana var. americana (i.e., Jungle or Giant Vall). I have two, and in my 33g they grew up to and along the surface, then the leaves began doing as you describe. I have now moved one plant to my basic water 20g to see if that makes a difference, as I would expect. Valls always perform better in harder water. CO2 shouldn't be necessary, but mineral in the water might. Try increasing the Flourish to twice weekly. What is your hardness and pH?


Clubber 07-31-2011 08:24 PM

PH 7.2

I know the water is hard...let me test it in this tank and get back to you. I know it's hard, don't have the exact ppm off hand.

On and off topic note I been reading your posts more and I know now I should get that sponge filter or at least a canister more than ever. I thought if I were not running pressurised Co2 that I could use any filter I wanted but I failed to understand that the CO2 produced by fish and bacteria escapes through surface splashing. For this and other reasons I've yet to grasp, the calmer surface the better I gather.

I fill it to the top and with this filter it STILL splashes and ripples through the water.

One last thing regarding the vals...could my swordtails pecking at it be causing it to break more?

Boredomb 07-31-2011 08:38 PM

You could always use a 2 liter on ur HOB to direct the water so there is less "splashing". I had a sponge filter on my 29 gallon tank. I couldnt get the flow quite right on it and some disturbance on the water (Probably more then there should be.). So I put my aquaclear back on and used a 2 liter on it to redirect the flow and there is no surface disturbance now. Also I am having the same problem as you are with my jungle val. Thinking my case not enough nutrients and too much disturbance on the surface. I have the plant in my other tank and it is doing great. Just a thought on the filter its a cheaper option then buying a new one.

Byron 08-01-2011 09:32 AM

Some surface movement is fine; you will find very knowledgeable planted tank authors saying it is irrelevant, others think it matters. I think the best approach is not to overdo it.

Most fish do not like water currents that are excessive, and HOB filters in my experience tend to have more water flow than canister or sponge filters. Unless you have fish that need water movement, such as some catfish, hillstream loaches, and others. Otherwise, minimal flow is best for the fish, and then you needn't worry about gassing out the CO2.

Clubber, water seems fine for Valls. I doubt it is the swordtails. Hard water is mainly calcium and magnesium, so other nutrients may be lacking; Flourish Comp twice weekly (if once weekly now) might help.


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