Check toilets for silent leaks by putting a few drops of food coloring in the tank; if the color shows up in the bowl indicating a leak, fixing it may be as simple as replacing the toilet's flapper.
检查厕所是否有无声漏水，在水箱中滴几滴食品色素，如果马桶中的水有颜色表明水箱漏水，可能只需简单地更换阻水阀就能修好。
If the fog drops appear in the table, should be timely maintenance, wipe the fog water, to prevent water falling, parts rust, surface color.
如果表内出现雾气水珠，应及时检修，擦去雾气水珠，以防进水日久，机件生锈，表面泛色。
Fer-In-Sol Drops vary in color from colorless to bluish-green to amber. Any color within this range is normal and does not affect product potency.
本滴剂颜色会由无色变成蓝绿色，琥珀色，任何在这个范围的颜色都是正常的，不会影响到产品的正常使用。
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