OK, so the ebb and flow system is cranking along (sans fish) and while I wait for the water to get balanced I built an overhead NFT system with 2" PVC pipe. Two runs: 15 feet long with the end feeding directly back into the tank. Have yet to drill holes, just got the pump system figured out. Some questions for the more experienced out there: Does the system really need to run 24/7 or can I shut it down @ night like I do the ebb and flow beds? I used the 2" as I had it left over fron another project; with that size prove to be problematic? If it will work; what planting system is recommended for NFT? Many thanks, look forward to the feedback. I will post photos later..
I've done 3" and 4" NFT pipes and the 3" was definitely on the small side and I've had even the 4" stuff block up with roots.
An important note, you need to run clean filtered water to the NFT, simply pumping straight fish tank water directly to NFT pipes is likely to cause you trouble with solids build up among the plant roots.
Thanks, think I'll hold off on the NFT for a bit..