What is the difference between the ½” blue and ½” black tubing?
The main difference between the ½” black and ½” blue tubing is the amount of light that is allowed in by the tubing. The black tubing doesn’t allow any light in. This prevents any algae growth from occurring. The blue tubing is semi-transparent and therefore some algae growth may occur. However, since it is semi-transparent, the grower is able to see inside of the tubing to check for clogs or sediment accumulation. The blue tubing can also be used as a water level indicator or “sight tube”.
