Impossible Aquariums

Research

Articles and experiment write-ups from my own tanks and microscope.

Aquatic mycology

Aquarium Fungi

The white fuzz on new driftwood is mostly bacteria and water molds. True aquatic fungi work inside the wood and substrate, breaking dead leaves and wood down into food for the rest of the tank.

Read the article

Physiology

The Tropical Fish Trap

Warm water speeds up a fish’s metabolism and holds less dissolved oxygen. The physiology behind keeping most community tanks in the mid to upper 70s °F instead of 80 to 82 °F.

Read the article

Ecology

How Ecological Theory Fixes Aquarium Reality

Five ecology papers, from Forbes in 1887 to Odum in 1969, and how each one shaped the SLESS method.

Read the article

Microbiology

We’re Cycling Aquariums for Failure

The standard nitrogen cycle comes from wastewater engineering. A 2024 study found comammox Nitrospira, which take ammonia all the way to nitrate, often dominant in aquarium biofilters.

Read the article

Experiment

SUBEX: The Report

Seven 2.5 gallon tanks, one substrate each, from May to October 2025. Seachem Flourite, a fired clay gravel, grew the most plants. UNS Controsoil had the most varied life under the microscope.

Open the report

Coming next