Chlorhexidine is a disinfectant not a cleaner. It is made inactive when there is organic compounds present in any quantity. The correct procedure (manufacturers instructions) is that you need to use soap/detergent and water and first scrub out all surfaces, rinse everything well and then SATURATE everything with the chlorhexidine and let stand for 10 min (contact time) vertical surfaces often need to have more applied as it runs off before 10 min has passed. I then dry out the enclosure and will lightly mist healthy habitat as a oder control.
F10 is the same but f10 recommends using f10sc XD cleaner first then using the f10sc disinfectant following basically the same method as I have all ready outlined.
The thing to remember with chlorhexidine is it is not stable when mixed with tap water in a sealed container it only is good for one week. Distilled water extends this to 6 weeks.
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http://datasheets.scbt.com/sc-359873_mfr.pdf
http://www.f10biocare.co.uk/vetguidelines1.pdf