What sits behind a hospital-grade claim?
Read the test conditions as well as the headline.
Read articleArticles & newsA little knowledge.
A little knowledge.
A better everyday.
Product insights, practical care and the stories behind GK. Read what matters for your home, your pets and your business.
18 articlesNewest first
SARS-CoV-2: reading the GK research archive.
Background to the brand’s 2021 article and its surface-testing references.
Read article
GK Air: the 2021 SARS-CoV-2 testing announcement.
The original announcement describes testing on hard, non-porous surfaces.
Read article
GK Surface: the one-minute test announcement.
A look back at the brand’s January 2021 laboratory update.
Read article
GK Concentrate: the 2021 testing milestone.
Why preparation and test conditions belong beside an efficacy claim.
Read article
Everyday care in shared spaces.
Small touchpoints to consider when you are out and about.
Read article
A clearer approach to office cleaning.
Start with desks, meeting tables and the items people share.
Read article
Bathroom care, from taps to towels.
Bring frequently touched surfaces and washable fabrics into one considered routine.
Read article
Kitchen care beyond the countertop.
Handles, seals and washable cleaning cloths deserve attention too.
Read articleGood questions. Clear answers.
Explore FAQs Looking for a quick answer?
Find help with product use, testing, ordering and local pickup.