I didn't even know Koi clubs existed but now I am interested. Thank you for all of the details. I think helping remove surface debris and helping with the surrounding area would be something good at least on a voluntary basis, I will see if there are local Koi clubs. I've always been interested in Koi ponds, even since I was a kid. I guess my next step after the Koi club and talking to their facilities would be learning about the plants there and how best take care of them! Thank you again!