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VINEGAR must works.2 P/ q0 ?- F7 K" h4 {1 e) q
$ _/ B: C2 a- ^" L0 R, t8 ~9 c$ ~But you need some more conditions:
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1. the solution of the vinegar must be at least 5-6%, so it's better you buy a vinegar acid to add appropriate water.( b- ^6 H& H( k6 t
# V3 }; X4 M: o2. the temperature of the vinegar should be around 40-50 degree C.
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3. At least 1hr per day for around 1 or 2 monthes, you will be OK.
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! H- U1 r! E' w% D" vgood luck. |
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