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Old 09-11-2019, 01:33 AM   #1 (permalink)
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Default My plants are dying. Please help

Hi
Thanks for this forum from which I have learnt alot about aquarium plants.

Yesterday I noticed alot of my Staurogyne repens leaves are floating on surface. And when I had closer look to the plants I found almost all of them are turning yellow. When I look to the plants I found the lower Staurogyne repens leaves which is covered are almost yellow whereas the leaves above are having less yellow color. I can take pictures if needed when I get home.
I have read that one reason which cause this is too much lighting. The previous days I kept the light on almost 11 hours because I wanted to turn on the CO2 during the day beforw I leave to work to get rid of the algae that came after I neglected filling the DIY CO2 kit.
Two nights back, I lowered the lights and kept the CO2 running at low for longer hours when we had guests over our house.
Could this be the cause? Or there is something else?
Other things I done recently is canister filter cleaning after around 40 days. And I had to use the aquarium water so I filled it with new water without using pH down solution because I need to raise the pH a little.
I also use Seachem excel almost daily, Advanced little less weekly and Flourish 2 times a week.

I did not turn on the lights today morning. I didn't know what to do.

Please help I don't want to feel discouraged to keep looking after the plants.
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Old 09-11-2019, 01:17 PM   #2 (permalink)
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Default Re: My plants are dying. Please help

Welcome to APC! It is very hard to guess what is causing your problems without knowing a lot more about the set up. What size aquarium, what substrate, what light fixture, what other plants, etc.? And, how about showing us a photo of the whole aquarium?
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Old 09-11-2019, 03:58 PM   #3 (permalink)
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Default Re: My plants are dying. Please help

No macro ferts being dosed?

Excel, Advance, and Flourish comp are incomplete.

Excel = algaecide
Advance = ???
Comp = Fe and a few trace elements.

Missing K, PO4, NO3, Ni to name a few.
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Old 09-12-2019, 03:08 PM   #4 (permalink)
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Default Re: My plants are dying. Please help

What lights are you using? I highly doubt the problem is too much light.

Are these new plants? Or are the leaves that are falling off newly grown leaves? Original leaves from emergent plants usually die off once submerged. The new growth will adapt to the submerged conditions and look much better soon.
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Old 09-13-2019, 12:01 PM   #5 (permalink)
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Default Re: My plants are dying. Please help

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Originally Posted by Maryland Guppy View Post
No macro ferts being dosed?

Excel, Advance, and Flourish comp are incomplete.

Excel = algaecide
Advance = ???
Comp = Fe and a few trace elements.

Missing K, PO4, NO3, Ni to name a few.
yup no macro ferts and don't know how it didn't happen earlier.
I think the bio load was enough to provide N but these days I put less fish food while plants are growing and demand is becoming more then WC and later filter cleaning affected the N levels.

the frets I bought yesterday from the nearest fish store (100 km away) are ADA green brighty Nitrogen, ADA brighty K and Seachem Flourish Iron.
they don't have phosphate

I started using them as per the direction on the label but I think they will not bring back my plants.
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Old 09-13-2019, 12:09 PM   #6 (permalink)
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Default Re: My plants are dying. Please help

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Originally Posted by Am2020 View Post
What lights are you using? I highly doubt the problem is too much light.

Are these new plants? Or are the leaves that are falling off newly grown leaves? Original leaves from emergent plants usually die off once submerged. The new growth will adapt to the submerged conditions and look much better soon.
lights are: Chihiros LED Series A A801.

lately as I mentioned I kept them running for more hours but I lowered the intensity. I think it's a contributing cause.

only few plants are new (I think 1 month and a half) and they have been growing well and all plants looked great.
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Old 09-13-2019, 12:10 PM   #7 (permalink)
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Default Re: My plants are dying. Please help

Quote:
Originally Posted by hoppycalif View Post
Welcome to APC! It is very hard to guess what is causing your problems without knowing a lot more about the set up. What size aquarium, what substrate, what light fixture, what other plants, etc.? And, how about showing us a photo of the whole aquarium?
I submitted a reply but I think because it had photos it needs to be reviewed.
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Old 09-13-2019, 12:11 PM   #8 (permalink)
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Default Re: My plants are dying. Please help

this amazon sword was all green few days back. also my mobile camera keep showing the plants greener !


Last edited by Careless82; 09-13-2019 at 12:28 PM..
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Old 09-13-2019, 12:23 PM   #9 (permalink)
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Default Re: My plants are dying. Please help

Quote:
Originally Posted by hoppycalif View Post
Welcome to APC! It is very hard to guess what is causing your problems without knowing a lot more about the set up. What size aquarium, what substrate, what light fixture, what other plants, etc.? And, how about showing us a photo of the whole aquarium?
thank you,

tank size is (80*40*40 cm) in inches (31.5*15.75*15.75 inches)
substrate is ADA Amazonia on top, I had cheaper one below but i forgot the name of the brand.
light is Chihiros Series A - A801
it has 7 steps dimmer and I keep it at 3rd highest level as per calculation I found before (Watts vs tank size).
other plants are Amazon sword, few Rotala bonsai and Salvinia Natans floating and I think the grass looking plants called (Sagittaria subulata).

please find photos below:

to compare this photo is from few weeks back



this photo is after plants going yellow and leaves falling.


below plant was old and showed these signs of the issue but little less and now it lost a lot of leaves.
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Old 09-14-2019, 10:18 AM   #10 (permalink)
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Default Re: My plants are dying. Please help

I don't think your plants look bad. It takes awhile for most plants, which are usually grown for sale emersed, to change leaf types to work submersed. And, at best, it still takes awhile for plants to settle in place, get their roots growing, and start to look normal again. If you lack phosphorus I suspect you will never see really good growth. If you can buy stuff on the internet, and get it delivered at a reasonable cost, you can buy KH2PO4, monopotassium phosphate, and use it for phosphate. Just google for aquatic plant fertilizers.
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