I use the small spice bottles that can be purchased at any Dollar Tree etc. I also cover the container with tin foil, keeps the roots dark as they would be in soil. Hope this helps.
Go toa "Dollar Store","Buck or Two" or any of that kind f store. Look for "Shot Glasses". They`re about 4" tall; and 1 1/4" around the top. The bottoms are weighted glass so they aren`t top heavy and therefore won`t tip over. They work very well.
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