Category Archives: Natural aquariums

low-tech natural aquariums

Important economy lesson that I learned from aquariums

As experienced aquarium-keepers know very well, the biggest problem in an aquarium is water purification; that is, keeping the water and sand healthy in the long term, for several years. Nitrogen compounds such as nitrate and other chemicals accumulated in … Continue reading

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Natural Aquariums for Ecological Literacy and Ecosystem Modeling

Natural aquariums: Sustainable, low-tech, low-maintenance, low-cost aquariums (ecological aquariums) This is a project idea that I developed in September 2021 to discuss it first with some organisations in Switzerland. You can use it, change it, improve it, and if you … Continue reading

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Aquariums and Ecosystem Mutilation Business

A semi-natural aquarium in our kitchen (100x40x40cm) without heater and filter.

Thanks to my aquarium hobby, I became aware of ecosystem mutilation business already as I was a 11 year-old boy, though I couldn’t name it then very clearly. Ecosystem mutilation business is about destroying self-sufficient and sustainable ecosystems in order … Continue reading

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Impressions from my Bolivia journey in 2007, part 1

Hot water lake in Robore, Bolivia

Impressions from my Bolivia journey in January 2007, organized by the retired Swiss biologist Robert Guggenb├╝hl. Our travel group consisted of botanists, nature lovers and some passionate aquarium hobbyists. Passing from places like St Cruz, Robore, Trinidad, Magdalena and Bella … Continue reading

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Indoor plants for water purification and nitrate reduction in aquariums

Umbrella papyrus (Cyperus alternifolius) in a lowtech natural aquarium (see biotope in my room)

Ecology of the Planted Aquarium written by Diana Walstad is one of the books which inspired me most for low-tech natural aquariums. Diana Walstad explains why emergent plants are better water purifiers than the submerged water plants as follows (in … Continue reading

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