Half dead plants - The Planted Tank Forum
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post #1 of 6 (permalink) Old 12-14-2004, 12:25 PM Thread Starter
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Half dead plants

Hi all,

I recently got some new plants (dono what it's called) in my tank. After 3 weeks, the top part of the plants are growing new leaves and green in color, however the botton half of the plants have turned brown (like they were dead)!

Any advice on what should I do with them? Discard? Cut them into half and plant the healthy part? Or just leave it as it is?

Thank in advance.
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post #2 of 6 (permalink) Old 12-14-2004, 02:01 PM
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You're probably either lacking light penetration to the bottoms, or these were grown emersed and are switchign to submerged growth.
if they are stem plants, then yes you can prune off the tops and replant them, discarding the bottoms.
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post #3 of 6 (permalink) Old 12-14-2004, 02:53 PM
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Whats the lighting and size of the tank, any co2 injection? Dosing ferts? Thanks
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post #4 of 6 (permalink) Old 12-15-2004, 05:05 AM Thread Starter
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My tank is 2 x 1 x 1.5 ft, got a 2 ft pl light (not sure how many watt). The tank is pretty new, not much plants, the lights can get to the bottom.
I use inserted 10 lumps of the box of 'super root monster' fertilizer.
I also drop CO2 tablets once a week.

btw, my tetras, SAE and otos are living well after 2 months, but ALL of the cherry shrimps are dead the following day after i put them in! *sigh*
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post #5 of 6 (permalink) Old 12-15-2004, 12:24 PM
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Your problem is most likely the light. Or lack there of. Your tank is right around 22 gallons based on the dimensions you give. But you say you have one PL bulb that you are not sure of the wattage. Well if it's a standard florescent bulb your wattage is 20 watts. Putting you at less than a watt per gallon.
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post #6 of 6 (permalink) Old 12-15-2004, 03:26 PM
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You have my sympathy regarding the cherry shrimp. The most difficult part about both plants and shrimp is getting them acclimated to the tank. In the case of plants, getting them growing before the algae monster attacks is a priority. If you have less than 2.5 to 3 watts per gallon of lighting on your tank, I wouldn't expect a lot of success with non-lowlight plants.

Two 1 GA desktops, a 5 gallon, a 2.5 gallon, a 10 gallon, a 20 gallon, a 25 gallon, and two 75 gallon tanks, all planted.
I am an expert on algae, so ask me if you have questions. I know how to grow it, just not how to get rid of it.
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