question for advanced growers

hey everyone,
im new to this growing thing and im on my third run. i've done okay so far but am struggling with the plant support as they get bigger. i've been using the bamboo but its very hard to work with because its far too tall for my plants and its hitting lights, fans, etc. its not allowing me to lower my lights to get more lumens exposure. i was also told by a friend that your bamboo can hold mites and other bugs. is this true?

i saw in the store a product called ultimate plant cage. seems it will solve my issues. has anyone used one before or can tell me whether it really works? i found the following clip on youtube which shows it: http://youtu.be/9rKBGysjUAI

seems like such a great idea just want to check with the experts before i go buy some. any advice would be appreciated. thanks!

 

I'd just cut the bamboo shorter personally.