For my next college project I have decided I am going to build a tesla coil. I have done some research and excluding the tuning of the tank circuit it seems a potential project to attempt. I always like to do a demonstration of my project in my college presentation and I want it safely grounded. So far my research on the RF ground has highlighted it cannot be connected to the building earth because of voltage spikes, it must must have it's own electrode 6ft in the ground. Could I use a big plant pot filled with compost and an earth electrode for an RF ground?