Repurposed (Recycled) Pop Bottle Propagators Repurposed (recycled) 2 liter bottles make great propagators simply by adding a deli container on top oz - on the left, 24 oz on the right). They're a perfect fit.
Did this in my APES class, so much fun! Eco-columns recommended by Environmental Science and Biology teacher: ". by far the most fun lab that I have ever done!" Would be a fun project for kids at home too?