No Filter, No Co2 Ecosystem (200 Days) 4K

This is the journey of my no-filter aquarium—a self-sustaining ecosystem teeming with life. From an empty tank to a thriving world of fish, invertebrates, and plants, this setup relies on natural balance rather than technology.

In this video, I document every addition, from snails and shrimp to celestial pearl danios and a crown tail betta. Watch as assassin snails control the growing snail population, giant fan shrimp filter-feed in the water column, and Badis badis hunt for live prey. The tank becomes a battlefield of predators and prey, with microfauna like daphnia, ostracods, and copepods playing a crucial role in the ecosystem.

As the tank matures, unexpected life appears—hydra, aphids, and flourishing lilies. I make adjustments along the way, pruning plants, adding botanicals, and observing new behaviors. Will the system reach perfect balance? Watch to find out!

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