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  • "MERCK" Chlorine Test Method: colorimetric with test strips 0 - 25 - 50 - 100 - 200 - 500 mg/l Cl₂ MQuant®
    0.00 ฿
  • Antibiotic Assay paper disc dia. 6 mm.
    2,800.00 ฿
  • Universal Indicator Strips pH 0 - 14
    0.00 ฿
  • "Hydrion" pH paper วัดกรดด่าง 1.0-14.0 (15ft/roll)
    0.00 ฿