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25 Days Building a Swimming Pool and Fish Pond for an Underground House

In this 25-day project, we show you how to build a stunning swimming pool and fish pond for an underground house using simple ...
Hackaday

Building A Tiny Organic Swimming Pool With Natural Filtering

When we think of swimming pools, we typically think of large fiberglass, plastic, or concrete constructions full of pristine, clear water. They’re usually maintained in this state with the regular ...