What causes plants to melt once planted? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 02-03-2020, 10:00 PM Thread Starter
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I bought a cup of some stem plants and planted most of them in one spot in my tank. Now, this spot is specifically a flow dead zone and lots of detritus ends up sitting there. I do clean that spot when water changing though. Still, it definitely gets light.

I had a few baby stems from the cup left over and let them float in my tank while I figure out what to do with them. It's been about 3 days. The floating plants are still healthy and green but most of the ones I planted are melting.

Is this normal and will they return, or I doing something wrong?
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post #2 of 4 (permalink) Old 02-04-2020, 03:20 AM
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Quote:
Originally Posted by Ddrizzle View Post
I bought a cup of some stem plants and planted most of them in one spot in my tank. Now, this spot is specifically a flow dead zone and lots of detritus ends up sitting there. I do clean that spot when water changing though. Still, it definitely gets light.

I had a few baby stems from the cup left over and let them float in my tank while I figure out what to do with them. It's been about 3 days. The floating plants are still healthy and green but most of the ones I planted are melting.

Is this normal and will they return, or I doing something wrong?
Here is the answer to your question.
Quote:
Now, this spot is specifically a flow dead zone and lots of detritus ends up sitting there. I do clean that spot when water changing though. Still, it definitely gets light
Flow dead = little Co2 and little fertilizer availability. This coupled with high light causes them to get burned out.

Detritus = possible ammonia levels around the new stems. In my experience more then trace level ammonia causes my plants to not do well. I've had issues with ammonia where given a high enough level (2+ppm) it would burn the plants and turn the stems soft.
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post #3 of 4 (permalink) Old 02-04-2020, 08:45 PM Thread Starter
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Quote:
Originally Posted by Quesenek View Post
Quote:
Originally Posted by Ddrizzle View Post
I bought a cup of some stem plants and planted most of them in one spot in my tank. Now, this spot is specifically a flow dead zone and lots of detritus ends up sitting there. I do clean that spot when water changing though. Still, it definitely gets light.

I had a few baby stems from the cup left over and let them float in my tank while I figure out what to do with them. It's been about 3 days. The floating plants are still healthy and green but most of the ones I planted are melting.

Is this normal and will they return, or I doing something wrong?
Here is the answer to your question.
Quote:
Now, this spot is specifically a flow dead zone and lots of detritus ends up sitting there. I do clean that spot when water changing though. Still, it definitely gets light
Flow dead = little Co2 and little fertilizer availability. This coupled with high light causes them to get burned out.

Detritus = possible ammonia levels around the new stems. In my experience more then trace level ammonia causes my plants to not do well. I've had issues with ammonia where given a high enough level (2+ppm) it would burn the plants and turn the stems soft.
Thanks, that was my guess. What I'm going to do is move some bacopa stem plants that have become emersed over to this spot and see what happens.

People warned me about dead spots but in all honestly I'm not sure how I'd fix a dead spot that is essentially under my outflow

I took some pics of the area. It sits between the inflow and outflow. I thought the inflow would have kept that area moving but there is a clear cutoff where plants will grow or not grow past the inflow pipe. Notice the two stems that grew up and out for an example.
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Last edited by Darkblade48; 02-05-2020 at 02:56 AM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #4 of 4 (permalink) Old 02-10-2020, 08:09 PM Thread Starter
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Update here. I maneuvered my lily pipes in a way that got rid of dead zones. It's not perfect and does cause a little turbulence in the center of the tank but I don't have any other options with the way I set up my hardscape and tubing.

The inflow is now in the middle of the old dead zone and the outflow pushes the water all the way around the tank. The weakest spot for flow is the front left as some dead floating plant leaves never make their way back and instead circle in the middle. Well, they make it, but it takes a long time.
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