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diy pond filter

10 DIY Pond Filter-Inexpensive And Easy to Build

Keeping the water crystal clear in an outdoor fish pond or water garden can be challenging, but it doesn’t have to be expensive. A pond filter system is inexpensive and easy to build and will work as well, if not better, than those expensive filters sold at home improvement centers. Check out these 10 DIY homemade pond filter ideas that are complete with pictures and instructions to find the one that is right for your outdoor water feature needs.

  1. Barrel Filter

The detailed shopping list and pictorial guide makes this barrel filter system is an easy build that even a novice DIYer can accomplish. Every step of the build is detailed and leaves nothing to chance.

barrel filter system

  1. Bio Filter For The Garden

To construct a simple, yet highly functional, bio filter for your garden pond, all you need is a small plastic crate, some lava rocks and biodegradable air conditioner filters. Easy to assemble and cheap to use.

bio filter for your garden pond

  1. Gravitational Koi Pond Filter

You’ll be able to instantly see your beautiful koi swimming around in the crystal clear water after you build and install this easy to operate gravitational fish pond filter. Gravity does all the work for you and less than $20 buys all the needed parts to assemble this water filtration system for a koi pond.

Gravitational Koi Pond Filter

  1. Bioball Filter

For under $50 you can build this effective bioball filter system that can easily filter and clean up to 300 gallons of water in a typical garden pond.

bioball filter system

  1. Flower Pot Filter

This unique ideas starts with a large flower pot and ends with clean water for your fish or garden pond. The mechanics of the pond filter system are housed inside of a large flower pot so it blends in with the surroundings. If you have a large plastic flower pot on hand, the cost for this DIY filter is close to zero.

Flower Pot Filter

  1. Plastic Tub Filter

If you don’t have a flower pot on hand to use as a filter, how about a plastic tub or tote? They make perfect housing units for the mechanics of a gravity bioball filtration system. This unique set of DIY building plans shows you how to bury the plastic tub so the entire water filtration system will be out of sight.

Plastic Tub Filter

  1. Garbage Can Filter

Buy a garbage can and follow these step by step instructions for transforming a garbage can into a highly function garden pond filtration system.

garden pond filtration system

  1. Two Tub System

Here’s a system that can handle cleaning the water of a large garden or fish pond. This two tub system can easily be built by following these step by step pictorial instructions. Check out the before and after pictures to see how large of a pond this two tub system can actually keep clean.

Two Tub System

  1. Shower Filter

As with anything, there are positive features and negative, this unique plan not only details how to build a shower filter for a pond, but also lists the positives and negatives of this type of pond filter. Read about the good and bad side of this DIY filter system before you undertake building it.

Shower Filter

  1. Gravel Filter

This design is simple and practically free since it focuses on using what you have on hand to build. This gravel filter system using recycled objects makes for a better environment, for fish, plants and humans. Free (or almost free) is a good price too.

gravel filter system



About FarhanAhsan

I am web enthusiast, writer and blogger. I always strive to be passionate about my work. I started my work at the beginning of 2007 by engaging myself with detail reading and exchanging information with others. Since then things and times have changed, but one thing remains the same and that is my passion for helping and educating people, building a successful blog and delivering quality content to the readers. I always enjoy to write about gardening, diy projects, home decor and interior design.

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