I'm from Bangladesh. Last week I bought one Aluminum Plant. My plant is losing its leaves and becoming weak. This is the first time I'm dealing with this plant. As this is not our native plant, I don't know much about this plant and plant sellers here couldn't give good suggestions about caring for this plant. Here we use dried cow dung as natural fertilizer. We mix cow dung with soil to make good potting soil. I planted my plant in a pot. 1) How much sunlight does this plant need? 2) How much watering does this plant need? Please advise me on what to do. I have more questions about plants and I will ask for your kind advice in the future. Thanking you, Shahin.
How much cow manure did you add to the pot (what percentage is soil, what percentage is cow manure)? Was your cow manure well-aged? Ideally, cow manure should be composted before it is used on plants. Here is an article that will explain that process.
https://www.gardeningknowhow.com/composting/manures/cow-manure-compost.htm
Aluminum plants grow best in moist, well-drained loamy soil. Loamy soil has a combination of sand, silt and clay. Judging by the photo you provided, it looks like maybe your plant has been over-watered and that perhaps the soil is not very well-draining.
For sunlight and watering guidelines, please visit the following link:
https://www.gardeningknowhow.com/houseplants/aluminum-plant/growing-aluminum-plants.htm
I have had my aluminum since May of this year and keep it in a clay potted plant with drainage. I had the plant sitting on a table near a window, but my window doesn't face the sun so it does not get direct sunlight. For the past two-three months, the tips of all the leaves have turned brown, about 1/4 of the leaf. There is a very defined line where the green ends and the brown begins. Is this from lack of sunlight? Or watering? I've repotted the plant, which didn't seem to make a change. There are also short brown stalks in the pot, but they haven't grown anything.
Here is a link to review the growing conditions.
https://www.gardeningknowhow.com/houseplants/aluminum-plant/growing-aluminum-plants.htm
This could be a few things, including the issues you mention.
Repotting in to large of a container can lead to soggy roots and root rot. The browning tips can be the first sign of that. Water only when the top inch or so of soil is dry.
Aluminum plants are actually a tropical plant, hot or cold drafts can cause browning of leaves.
Over fertilizing also can cause the issue.
Lastly if you are watering with conditioned water, over time the salts can build up in the soil and cause the leaves to began darkened and kill the plants. The salts build up in the soil.
You can set the water out on the counter 24 hours before using to water your plants.