When The Pot Has No Drain Holes and you want to see if there is any water in the pumice wick:
The Water Level Test Kit is two clear acrylic tubes, one fitting inside the other. Holding your finger on the top of the inner tube, while withdrawing it from the outer tube, will keep the water inside and reveal the it's depth inside the vase. It is an ideal and convenient device for testing the water level inside a ceramic or pottery dish with no drain holes.

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