Hydroponic lettuce garden from plastic bottles (Grow bottles)
Step 2: Start your Seeds
I started my seeds in plastic egg cartons filled with soilless seed starting mix. I transplanted them to the grow bottle when they had a few real leaves. You could probably just directly start the seeds in the completed grow bottle. This would be easier on the seedlings and would prevent transplant shock.
Don't want to spend money on seed starter mix? take a shovel, trowel, or your hands, and go outside. There's an awful lot of soil out there in the woods, and nobody's going to miss a few handfuls of it. This is slightly cheating if you're a real hydroponic purist, since technically hydroponics doesn't use soil, but I won't tell if you won't
To make the egg carton seed starter, just go buy some eggs, the fancy ones in the clear plastic carton. You'll use egg shells in your growth media, and eggs are tasty, so nothing goes to waste. The plastic carton has three folding sections; two "egg cup" sections that cradle the eggs, and one flat lid.
Cut the flat lid off, and use it as a tray to hold water. Then poke some holes in each of the egg cups to let water drain out. use the other section of egg cups as a lid, to form a dozen tiny greenhouses. Water it once, plant the seeds, and leave them alone for a week.
Don't want to spend money on seed starter mix? take a shovel, trowel, or your hands, and go outside. There's an awful lot of soil out there in the woods, and nobody's going to miss a few handfuls of it. This is slightly cheating if you're a real hydroponic purist, since technically hydroponics doesn't use soil, but I won't tell if you won't
To make the egg carton seed starter, just go buy some eggs, the fancy ones in the clear plastic carton. You'll use egg shells in your growth media, and eggs are tasty, so nothing goes to waste. The plastic carton has three folding sections; two "egg cup" sections that cradle the eggs, and one flat lid.
Cut the flat lid off, and use it as a tray to hold water. Then poke some holes in each of the egg cups to let water drain out. use the other section of egg cups as a lid, to form a dozen tiny greenhouses. Water it once, plant the seeds, and leave them alone for a week.
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