Troclosene Sodium 67mg Effervescent Tablets Trial Pack (20 Tablets) (natutunaw sa tubig / dissolves on water upon contact) 1 order = 20 Tablets Brand: Aquatab Manufacturer: Medentech Ltd., Ireland FDA Reg. No.: DRHR - 735 Expiry Date: 2025 or later Direction for use: Add one tablet for 20 liters of clear water. Leave for 30mins before drinking.