WATER-MODIFYING MATERIAL FOR WATER TANK AND METHOD FOR MODIFYING WATER IN WATER TANK

摘要

PROBLEM TO BE SOLVED: To effectively reduce the occurrence of algae without exchanging water in a water tank over a long period in spite of a simple operation.;SOLUTION: A water-modifying material for water tanks is obtained by housing a carbonized material 4 and tourmaline ore 5 into a water-permeable receptor 3 fittable into a water flow part 2A of a water-filtering device chargeable into the water tank 1 or attached to the water tank 1.;COPYRIGHT: (C)2004,JPO