Worms in a Viv are not normally a good idea. While they will aerate the soil and their castings help fertilize the soil, they really can create havoc in a closed system if/when they die off.

I really don't recommend you planting any plants in a PAC tank. They pretty much brutalize any plants in their tank. Even as tough as Syngoniums are, they can't take too much abuse. Another thing is cocofiber bedding has zero nutritional elements in it for the plants. Are you planning on leaving the plants in their pots so they aren't disturbed every so often when you change substrate? The less you disturb the roots of the plants, the happier they are.


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