Does your koi pond resemble a green pea soup? Below are some homemade pond filter ideas
D-I-Y Pond Filter
Inexpensive Trickle Tower Filter
Koi Pond Filter Cleaning
When researching homemade pond filter ideas keep in mind that you get what you pay for. Hiring an expert is sometimes better than doing it yourself.
Once you find some homemade pond filter ideas that you would use try to contact the owner of the video or tutorial. He or she may be willing to offer you some advice on how it went.