In this video I review the Grayl Geopress water purifier
https://www.grayl.ca/collections/all-grayl-products/products/16-9oz-ultrapress-filter-purifier-water-bottle-covert-edition
http://www.insport.ca/
Key Features
• Active Technology: ion exchange, ultra-powdered activated carbon
• Durability: built tough to perform in harsh conditions and withstand 10 ft drops (full of water) onto concrete
• Flow Rate: 8 seconds per 24oz (5 liters/minute)
• Designed in United States; Geopress made in China, purifier cartridge media made in United States
• GEOPRESS is accompanied by a ten (10) year warranty covering workmanship and materials.
Physical Specifications
• Capacity: 24 oz (710 ml)
• Weight: 15.9 oz (450 g)
• Height: 10.4" (26.5 cm)
• Diameter (at base): 3.4" (8.6 cm)
Performance Specifications
• Removes: waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts), including Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery and more
• Filters: particulates (i.e. silt, microplastics, etc.); activated carbon effectively adsorbs chemicals, pesticides, heavy metals, flavors, and odors
• Cartridge lifespan: rated for 350 cycles (65 gal. / 250L), as “press time” reaches ~25 seconds (or three years have elapsed since first use) it’s time to replace your purifier cartridge
• Cartridge shelf life: stored under proper conditions, an unused (and airtight) purifier cartridge has a shelf life of 10 years
• Testing standards: independently tested by a certified laboratory to meet or exceed NSF protocol 42 and 53 for pathogen and chemical removal; meets the EPA Guide Standard and Protocol for testing microbiological water purifiers
Pros:
• Easy to use
• Very robust
• Can produce clean water that can be used outside of the bottle
• Removes a wide variety of contaminants
• Ten year warranty
Cons:
• Heavy and larger (for the volume) compared with other filters of similar abilities (double wall-plunger design)
• At risk of damage if frozen (more than three times)
• Recommended not for use with water heavy with tannins
• Does not filter cyanotoxins (blue-green algae)
• Expensive compared with filters of similar abilities (Geopress $120.00CAD, filter $35.00CAD)