plant deficiency

Could anyone tell me what deficiency my Amazon Sword (Reni) is experiencing? I suspect iron, but am not 100% sure! TIA

Hello, I’ve set up a new 80l tank, and I wanted a second opinion on my problem. Tank has been going for about 1 month. I added the plants about 3 weeks ago, and I am aware plants need to adjust to new water parameters. However, it seems my sword plant is doing worse than all the other plants...

Hello! I’ve had three stems of Ludwigia repens in my 29g for 8 months now and they’ve grown great. Of course the low lighting has made the lower leaves fall but I don’t mind it much. Recently though I’ve noticed tons of holes in most of the newer leaves of my stems along with many of the leaves...

My crypts have been doing well for the 2 months I’ve had them. Just noticed 2 of my crypts have a leaf as seen in photo now. I’m new to planted tanks and not experienced to diagnose what nutrients I’m missing by looking at the plants. Any help is appreciated. It’s a low tech tank, eco...