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2058 Convection Tube
2058 Convection Tube
OPTIKA ITALY

2058 Convection Tube

Regular price $189.00 $0.00 Unit price per

Convection Tube

Insert water first and then potassium permanganate crystals into the tube through the upper opening. If you heat up the lower part, the salt deposited at the bottom moves upward, coloring the whole water.  The burner is sold separately.