Great news, everybody! Katadyn Micropur MP1 Water Treatment Tablets are slightly on sale on our site! 20-packs are $13.49 (down from $14.49) and 30-packs are $15.99 (down from $16.99). Shipping is free, even if you only buy one pack. We expect to sell out this weekend, but more are on the way. We also put together a little Survival Water Treatment Pack that includes a 20-pack of Micropur tablets plus a 3-pack of Whirl-Pak 1 liter Water Storage Bags for just $18.99. You can find that here on our site: https://5col.com/collections/treatment/products/survival-water-treatment-pack-5col-survival-supply