Things to contemplate when deciding on a filter for your koi pond

1. Appropriate filter size for your koi pond size and koi load

2. Feeding rate of recurrence

3. Shaded verses sunlit

4. Weather/environment

5. Waste and debris accumulation (for instance, leaves)

6. Area available for filter placement

7. Pre-filter

8. UV - ultraviolet

9. Skimmer

10. Jets

11. Deepness of koi pond

12. Your financial plan

13. Material accessible

14. Homemade verses commercial

15. Cleaning, occurrence and simplicity