Natural Pond Filtration System

I have large koi some over 30 and as one would suspect they product a considerable amount of waste.

Natural pond filtration system.

Making a natural pond filter with sand and gravel is an environmentally friendly way to keep pond water fresh. I installed a wetlands filter in my koi pond 17 years ago and the pond is as clear as tap water. The movement of water across plant roots in a natural filter encourages increased nutrient consumption leaving less nutrients available for pea soup algae to thrive. In a natural pond the water soil plants and animals all live in harmony.

No one comes along to clean the pond or to aerate it. I wanted to send you a big thank you for these great instructions. The natural wetlands filter works perfectly and there is no maintenance. The use of the word natural here refers to the pond filtration system not the esthetic look of the pond.

I ll deal with esthetics in a future post on how to build ponds. Powered aerators even a turbulent waterfall cannot come close to the power of an aerator creating a vortex of air from the bottom of your pond. Natural garden pond design in a conventional backyard pond design algae levels are controlled by adding chemicals and using a mechanical filter and a circulating pump that cost up to several. This does not have to be so complicated.

While there are commercial pond filter systems you can purchase many people choose to build their own to save money. I have just built such a natural pond gravel filter based on this web page and it works like a charm. A natural filter need only be 10 of the pond surface area to be effective. A bog filter isn t going to be able to provide enough filtration for heavy stocked ponds or koi ponds so in these cases you would still need to install a regular filtration system.

This is important whether the pond contains fish or not without a filtration system the water will become stagnant. Natural filters nf0 nf1 nf2 pond filtration systems. Within 2 3 weeks my little fish pond in romania went from very murky brown green to quite clear i can now see the bottom in 6 7ft depth.