the Philippines is such a humid country most especially during the summer months of March to May. to protect my spare lens from fungus growth, i put it in an improvised "dry box", which is actually an air tight transparent food keeper, with several sachets of silica gels and a hygrometer to monitor the moisture content. if the moisture inside the box reaches a relative humidity of more than 60%, then it's time to recharge the silica gels by putting them under the sun until the red "beads" turn into blue.
Friday, March 03, 2006
hygrometer
the Philippines is such a humid country most especially during the summer months of March to May. to protect my spare lens from fungus growth, i put it in an improvised "dry box", which is actually an air tight transparent food keeper, with several sachets of silica gels and a hygrometer to monitor the moisture content. if the moisture inside the box reaches a relative humidity of more than 60%, then it's time to recharge the silica gels by putting them under the sun until the red "beads" turn into blue.
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