Our gardening club members got me switched over (somewhat) to using X-Pand
in containers and covering the holes with coffee filters.
It soaks up and holds moisture thoroughly to a point, then the excess drains.
Water crystals are abundant in the formula- and I think that has more to do with
the water holding capability than the shredded coir.
Impressive germination rates of larger seeds is what peaked my interest intially.
The consistent moisture surrounding the seed coat must be the factor here.
Typical germination of cuke and melon seeds is 3 days or <.
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Tomatovillain
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