Yes I did and it didn't do anything. He was fine one night and the very next morning the black spot that was suppose to be there was completely silver. I had fed him some wild lilac flowers for the first time the morning of the day before. But according to the tortoisetable.org.uk it says...
I see some information online that says it's not safe and to filter it but since I'm seeing a lot of tortoise owners here including you saying to just give him tap water, I will trust that and do that from now on. Thank you for your advice!
I have had him since January and the spot appeared about a month ago, around early May. I started feeding him wild dandelions and clovers once the weather warmed up, so around late March. Before then I was purchasing dandelions from a grocery store. Since the spot showed up a month into feeding...
I tried rubbing oil on the area with a toothbrush and it didn't do anything. Maybe it's got something to do with the nutrients he's getting? I've been feeding him dandelions/clovers from the wild so I'm wondering if it could be the result of pesticides, too much oxalic acid or protein...any...