It is a small 200 watt DIY system, but has worked well this summer. I plan on improving the system next year.

[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
Cost was around $600.00. Not including wood and metal. I used an old satellite dish mount so I could adjust the angle of the panels.
Air pump (on timer) runs an air lift that I am experimenting with.