Plant melting

[okla03]

Hi,
I have bit of a problem, alternanthera reineckii is melting everything else seems ok.
The take is about a month olde I have nice growth going apart of alternanthera reineckii any help would be appreciated.
Thanks.
Thank is 90x55x55
Light is chihiros wrgb 2 pro
Settings, see the picture
Fertiliser tropica specialised nutrition 12ml a day

 

[hypnogogia]

We’d need a bit more information before being able to help. See the guidelines below:

Thread 'Please read the guidelines for plant help!'

27 Apr 2020

Dear Member

Please give as many details as possible regarding your aquarium set-up, when requiring advice/help!

The above will be posted at the start of each help request.
Why do we ask these questions?
It will reduce the member posting multiple times, plus adviser's don't need to scroll through a whole thread to find them.

Copy and Paste the list below...and add your answers to each number on the list!
Please upload photographs/images if possible.

1. Size of tank.
2. Age of the system approximately.
3. Tap water parameters.
4. Filtration and Media.
5. Lighting and...

• G H Nelson
• Replies: 0
• Forum: Plant Help

• 

 

[Scaperinc]

AR mini is a difficult one , for me never survived I always used the tropica 1 2 grow . I think it likes soft water

 

[okla03]

1. Size of tank- aqua one aquasys 230 90x55x55
2. Age of the system approximately- one month
3. Tap water parameters- RODI PH-6.8 A-0 NO2-0 NO3- 20-40ppm APT to remineralise water.
4. Filtration and Media-Oase850, oase crystalskim 350, (don’t buy oase) my opinion, media one oase fome rest matrix
5. Lighting and duration. R65,G55,B75,W70 13:30-21:30 posted picture of the settings.
6. Substrate. Mix of old tropica soil and flourite black sand at bottom then API root tabs some pond soil and top new tropica soil
7. Co2 dosing or Non-dosing- co2 run 2 1/2 hours before lights come on
8. Drop Checker- green
9. Fertilizers used + Ratios- dosing 12ml a day tropica specialised, used stability at beginning
10. Water change regime and composition- Started with every day first week, second week every other day and now three times a week always 50%
11. Plant list + Invitro/Emersed-
Alternanthera reineckii Pink,
Rotala rotundifolia
Eriocaulon sp.Vietnam
Limnophila hippuridoides
Lindernia rotundifolia
Hottonia palustris
Lagenandra meeboldii red
Cryptocoryne petchii
Limnophila aromatica
Micranthemum umbrosum
Staurogyne repens
Lobelia cardinalis dwarf
Pogostemon helferi
12. Inhabitants- juvenile bristlenose pleco, 8 cherry barb, 2 otocinclus
13. Full tank shot and surface image.

 

[PARAGUAY]

Tank is a month old ,are you doing regular water changes, removing any dead leafs, etc Could me maybe it's struggling in newish set up, might make it look for signs of new growth