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Rotala H'Ra Bottom Leaves are Melting

3214 Views 5 Replies 5 Participants Last post by  Nicecook
Hello,
In my tank Rotala H'Ra old leaves are melting. I have attached few images of the plants. I'm Unable to find the reason for this. Could you please help me.

Tank Size: 3ftx1.5ftx1.5ft
Temperature: 27-28C(82-84F)
Fertilizer: Tropica Specialized Fertilizer(I'm Adding 8 Pumps(16ml) after water change in every weak)
Light: WRGB LED Strips
Substrate: Dymax Base soil
Co2: Pressurized Co2(3 Bubbles per second)[Drop checker is showing green in the photo period]
Filter: 950 litters per hour Canister Filter
Lights on 8 Hours Per day
50% Water Change every weak.
dGH:7-8
Nitrate: 5-10ppm
Ammonia: 0ppm

Have a pest snail problem also.

Please see the attached images and help me to find the reason and a solution to the problem. Thank You.
Plant Leaf Botany Terrestrial plant Vegetation
Leaf Plant Branch Terrestrial plant Woody plant
Light Plant Branch Terrestrial plant Sky
Plant Light Leaf Botany Branch
Water Plant Plant community Terrestrial plant Lake
Plant Plant community Water Terrestrial plant Vegetation
Plant Plant community Flower Terrestrial plant Organism
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Honestly, it just looks like they are slow growing and attracting algea on the older stems.

Most people top these and space them closely so they grow in a colorful bush.

As they get close to the light in your tank, the tops get more PAR and develop color. If you trim them short, they will get much less PAR and grow slowly. This is the nature of this plant, eventually after topping them several times, you have to start over because the original stem gets bad.

It looks to me like you don't have enough light for this plant, and they should be topped frequently to keep them in a bush so you are only seeing the exterior leaves.

The lower parts of the stems are probably many months old and if the tank is not 100% algae free, the old stems will attract algae.

I am keeping rotala with some success, but the old stems will eventually get this way. The solution? Top them frequently, plant them close, and run high light so they are always pushing out colorful new leaves on top.

Can you clarify what you mean by topping in this context? I've always understood this to mean cutting the tops and replanting them in place of the bottoms. But in my experience, replanting the tops prevents them from growing bushier, since additional nodes aren't generated from the clipping point of the original stem and the new growth on the topped (replanting trimming) stem is less bushy.
 
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