I'm not a fan of just going out and spending more money on something just because of a pretty package. I could always buy a ready built bin system with everything pre-made, but sometimes the journey is more important than the end result. I enjoy learning about the process. It helps to bind me to my goals. Planning gives me time to make changes as I research and end up with exactly what I want.
My first hydroponic project is to make my own grow box. In winter I plan to grow my own lettuce and greens without electricity. Until then, I plan to use the box to start some serious plants for transplant later this Spring.
Today I drilled the holes in my storage bin grow box. I laid the holes out on the underside of the lid, using a can lid to trace rough circles. I could have spaced the out side ones closer to the outside, but I'll remember that for the next one.
I didn't have a hole saw and wasn't thrilled about buying one, but I found a circle cutter for $5.99 that worked great. In order for the cup to not fall through, keep the hole between 2 7/8"-2 15/16". Because the cutters adjust up to about a 6" diameter, I can see this cutter as a must have tool for the home hydro enthusiast.
I then punched a nail sized hole through the center of each circle to guide the center drill in the cutter. It has a carbon steel center drill and two adjustable outboard cutters to cut soft materials only. I used a drill press but as long as you hold the cutter carefully and clamp the lid down, it can be done on small holes with a pistol drill. Drilling from the top keeps any burrs on the underside.
There were some plastic strings that pulled right off. If the holes come out uneven or a bit undersized, don't try to redrill them with the cutter unless everything is well secured. The center drill keeps the cutters true and from jumping or wobbling.
I am happy how the holes came out. I'll be doing the same using 2" holes for smaller plants, seedlings, and starts. I think I could easily get 12 plants in one lid.
I then punched a nail sized hole through the center of each circle to guide the center drill in the cutter. It has a carbon steel center drill and two adjustable outboard cutters to cut soft materials only. I used a drill press but as long as you hold the cutter carefully and clamp the lid down, it can be done on small holes with a pistol drill. Drilling from the top keeps any burrs on the underside.
The net pots are a snug fit but won't be able to fall through. Some light hand sanding may be necessary to get things just right.
Gorilla Grow Tents: Tallest, Thickest, Strongest Grow Tents in the World
Next I'll be preparing the tub for plant starts.
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