Is there any way to remove the rigid tube (the part you actually vacuum with) from the part with the nipple that connects to the flexible tubing? I'd like to replace the tube with a longer one. And also, what is the ideal/preferred length of the vacuum tube? Should it be under/over the height...

Hi, I have a T5 Lighting fixture (x4 24W) for a 20G; co2 and fert. I think it's enough Light intensity but poor lighting quality, Im not achieving the sort of growth I want. All 4 t5 tubes are black at the ends and im told this emits the wrong spectrum for plants. I will replace them, but...

I did a touch of reading and stumbled on this thread here: http://www.aquaticplantcentral.com/forumapc/equipment/80007-compact-florescent-lighting-question.html Very similar to my current question which is if running a 6500K 36W bulb (I know it's 17", it's just for a 10 gallon atm) in that...