Potable Aqua Plus Water Purification Tablets - 7743. Potable Aqua with PA+ Drinking Water Germicidal Tablets Made in USA. Water purification technology with PA + plus. Contains 1 bottle potable aqua tablets and 1 bottle P.A. Plus tablets. Emergency drinking water germicidal tablets. No iodine taste or color. Makes questionable water bacteriologically suitable to drink. Ideal for camping, hiking and travel. Proven effective against giardia lamblia when used as directed. 1 tablet per quart or liter. 50 tablets per bottle. Potable Aqua PA plus water purification treatment. Potable Aqua Drinking Water Germicidal Tablets are intended for emergency disinfection of drinking water. When used as directed, they make most water bacteriologically suitable to drink. Used worldwide by campers, hikers, militaries, emergency organizations and anyone needing to drink water of questionable bacteriological quality. Potable Aqua is for use only when drinking water is suspected or known to be bacteriologically substandard.