koi keeping is a journey, not a destination. We can achieve various levels of knowlledge, skills, understanding and persception. But we will never arrive at a full and complete understanding of all aspects of koi keeping. And that is just fine. Enjoy learning....then sharing....and finallly teaching.
We got started when my wife got very ill just before Christmas around 9 years ago. In the hospital (1 week before Christmas) she asked if she survived and came home...could she have pond. Duh? What DA husband would say no to that request. As it turned out her condition was not a massive cardiac problem but rather Graves Disease (hyperactive thyroid).
Anyway, come spring...I paid a "pond contractor" ~$1200 to put in a pond. It was around 10'x8'x2' liner pond...no bottom drain, no waterfall, no gravel (thank God), and a small inpond filter with a sumsersible pump. Yet, they sold us koi for the pond. My wife worked hard on that pond to keep the water quallity up...etc. One day the Calpump shorted. The engineer in me said "enough of this crap". I put in an external pump and a Biotec 5 and a waterfall. We joined a local club and started to learn just how bad a mess we had made of it all.
So late in 2000 I built a temp tank on the patio and moved the koi to it. I started the demo work. I put in a 16'x8'x4' pond with two of those things no one in our club had seen....Spindrifter bottom drains with air domes!!!!! Folks thought I was craxy. We got the pond compleded the week before the 2001 AKCA Seminar in Houston. We filled the pond and drove down to Houston as our club, and Lone Star Koi Club, were hosting the event.
When we got back from Houston we transferred the koi to the new pond and I turned on the pumps. I had a whopping 40lpm on both BDs. I thought that was rocking the house. Two months I put a 40lpm on each BD...the difference was amazing! It was around that time that a new couple joined the club. A certain Steve and Cheryl Childers. Yep, that jumped up koi learning curve...to say the least.
Years later we moved to Atlanta. Time for a serious koi pond. It is 10'x16'x8'. Folks has me why so large and deep. I tell them....because it is a koi pond.
When we launched the new pond, we hosted a club meeting. One of the ladies in the pond told me it would be difficult work...but she would help build PVC plant stands for our pont.

The funniest part of that is that Dr. David Knox was standing behind her at the time. It was all he could do to hold back the laughter as he turned away.
Yes it takes time for folks to understand and accept that koi are large riverine carp...not little goldies. Once you understand that very simple idea....proper pond design falls into place and you are much further up the learning curve.