Hi, my African Water Fern is turning into a translucent brown colour days after dosing Iron into the tank. I've read several articles saying that high iron content will turn the fern brown. I've also included a number pictures of the fern. I'm not sure if this is concerning and if there's...

Looking for some larger pieces of bolbitis heudelotii. I would like this to be a feature plant in a 100g African River tank so bigger the better. Thanks!