Blog entries by scottish
Posted in the blog: Grow light info
Thanks Akornpatch for some lighting infoWhat are High Pressure Sodium Lights
High-pressure sodium lamps contain an internal arc tube made of a translucent ceramic material (a form of aluminium oxide known as "polycrystalline alumina"). Glass and quartz cannot be used since they cannot maintain...
Posted in the blog: The Secret Auto Garden
Thanks to indochronic for info on how to connect computer fans for ventilation pipe here the connections and the amp. output required for most comp fans is to much they wont last as long since there being pushed that extra bit...