massive val die off - The Planted Tank Forum
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post #1 of 25 (permalink) Old 12-01-2004, 09:47 PM Thread Starter
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massive val die off

I have read that at times, Vals just up and die. Well, 2 weeks ago I had such a lot of plants I had to weed them out. they were real vigorus. Now 2 weeks later my Vals have decided to die off en mass.
What a mess! the SAE'S are having a ball chewing on the disintegrating leaves and the platy and sword are also having fun.
I am not!!
I have not changed my regime or fert program. I am hoping that a few survive so I can repopulate the tank.
Any one else experience this lately? could it be in response to the declining natural light?
Mouse
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post #2 of 25 (permalink) Old 12-01-2004, 10:29 PM
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Are the dying vals replants from your weeding? If so, it is easy to damage the crowns and loose a few leaves. Are you getting any new growth or is the base just turrning brown?
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post #3 of 25 (permalink) Old 12-02-2004, 12:16 AM
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How did you weed them out?

Natural light declining, do you have another source of light?

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post #4 of 25 (permalink) Old 12-02-2004, 04:49 PM Thread Starter
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well I have 20 wpg on the tank as well as natural sunlight-- Same as it has been for the past year and a half.
When I weed them out I only cut off and remove the plant i don't want. I do not remove everything and replant.
Even the corkscrew vals that i did not thin out( just thinned the jungle vals)have decided to disintegrate.
Now the water is really cloudy. i cut off what dead leaves i could yesterday, but today there are more browning ones. The fish are really going to town with them too.
I was just checking the centers of the plants which of course are the new growth areas and even they are turning brown.
I wonder if it is a seasonal thing??
Where is Rex Grigg when you need him??
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post #5 of 25 (permalink) Old 12-02-2004, 06:34 PM
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Quote:
Originally Posted by mousey
well I have 20 wpg on the tank
You sure that you have 20?
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post #6 of 25 (permalink) Old 12-03-2004, 12:36 AM
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I'm here. But I have never grown Vals. And the question still remains on how much light you have on the tank.
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post #7 of 25 (permalink) Old 12-03-2004, 02:11 AM
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20 watts what size tank do you have
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post #8 of 25 (permalink) Old 12-03-2004, 02:38 AM
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I think he might have ment 2wpg. I'm just guessing though
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post #9 of 25 (permalink) Old 12-03-2004, 03:12 AM Thread Starter
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SORRY-- I was adding up the total watts and it is 2wpg for a total of 20 watts.Plus sunlight.
!
I wonder if the age of the bulbs and the type are of critical importance. they are 1 yr old . one is a special $30.00 bulb compact flurescent for tanks and the other is a compact household flurescent bulb. both are screw ins-- not a long tube.
Ps I am a 58 yr old female, not a guy.
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post #10 of 25 (permalink) Old 12-03-2004, 12:18 PM
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So you have a 10 gallon tank with 20 watts. IMHO that's not enough light. And as the bulbs age you will lose more the light you don't have enough of to start with. I would guess it's a lighting problem.
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post #11 of 25 (permalink) Old 12-03-2004, 02:18 PM
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I am growing Val. in a 55 with 110 watts/CF lighting with a Flourite substrate. They are growing well, but I fertilize heavily. Val. is a heavy root feeder so I'm sure that the Flourite plays a large roll in being successful with them.

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post #12 of 25 (permalink) Old 12-04-2004, 01:11 AM
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2 wpg over a 55 gallon tank is a totally different thing than 2 wpg over a 10 gallon tank. At least in my opinion.
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post #13 of 25 (permalink) Old 12-04-2004, 01:25 AM
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The wpg is definately different in those tanks... plants need light "intensity", thats where the confusion lies with the small tanks and wpg...the plants needs dont change , just the math we use.
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post #14 of 25 (permalink) Old 12-04-2004, 01:37 AM
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I dont really think a ten gallon is tall enough for vals to thrive. I may be wrong
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post #15 of 25 (permalink) Old 12-04-2004, 03:41 PM Thread Starter
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you are right about the jungle vals being too large for a ten gal. The little ? vals I have are much more siutable and only grow 3/4 the height of the tank. the jungles vals on the other hand do grow to about 3-4 feet long and i have to trim the leaves. that being said, Up until recently I was having to thin the jungle vals because they were growing so thickly thru the tank and the fish were getting tangled in the plants and had a hard time getting into a clear space.
My problem is-- What happened all of a sudden to cause the die off as I have not changed my routines or fert program, And I am not a maniac ripping stuff out. the only difference I can put my finger on is that the sun that usually shines in there at 0800 has been missing for the past few days.
In the summer I only had the tank lights on for 4 hours a day as I was using the natural light of the sun. Now it is winter and cloudy I am using artificial light. That is what I am wondering is causing the die off.
It is quite frustrating-- at least the fish can get around but the tank looks naked. the water wisteria is still going good.
Perhaps if the vals do all die off I will go with lower light plants.

I was wondering why 2 wpg is different on a 10 gal than a 55 gal tank??
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