Glowing Algae (500ml)
Glow-in-the-dark algae (500 ml). The species is Pyrocystis lunula. The algae are delivered in a plain plastic bottle.
Glow-in-the-dark algae (500 ml). These algae are Dinoflagellates (species name Pyrocystis lunula) and at night they emit a blue light when you shake the bottle. The algae are shipped in a plain plastic bottle, which may differ slightly from the one in the picture.
This process is called bioluminescence. More information: What is Bioluminescence?
Instructions for taking care of the algae can be found here: How do I take care of the algae?