Sodium Thiosulfate

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Obtain a clean one gallon jug. Dissolve the 500 grams of Sodium Thiosulfate in a large pitcher of lukewarm tap water. Stir until all the crystals are dissolved. Then transfer the s olution with a funnel to the gallon jug. Top off the jug to make a full gallon of stock solution. •Add 2 drops of the stock solution per 1 gallon of the water to be treated. •One gallon can treat 37,850 gallons or more. Over-dosage is virtually impossible. Show more