Help your seedlings thrive and watch your plants grow with this soil-less hydroponic root development system.
you can buy a pack of 50 sponges or 10 cups (black or white) separately. Or, get a set of 10 sponges and 10 cups together.
the sponges fit perfectly in the cup and the cup has slits to allow the roots to grow and develop in the water.
The cups are approximately 1.25 inches wide and 1.35 inches tall. The sponges are about 1.24 inches wide (to fit perfectly into the cup) and about 1.25 inches tall.
these are excellent to grow various kinds of salad lettuces and herbs.
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