Hydroponic Plants with Automated Watering System written by Engg. Book August 14, 2018 Hydroponic Plants with Automated Watering System Hydroponic Plants with Automated Watering System was last modified: August 14th, 2018 by Engg. Book 0 comment 0 Facebook Twitter Google + Pinterest Engg. Book Leave a Comment Cancel ReplyYou must be logged in to post a comment.