[HN Gopher] "Green Llama" did not just beat Cascade Platinum Plus
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       "Green Llama" did not just beat Cascade Platinum Plus
        
       Author : searealist
       Score  : 25 points
       Date   : 2025-11-07 14:03 UTC (8 hours ago)
        
 (HTM) web link (foxchapelresearch.substack.com)
 (TXT) w3m dump (foxchapelresearch.substack.com)
        
       | EnPissant wrote:
       | This is a follow-up to
       | https://news.ycombinator.com/item?id=45815419
        
       | mmmlinux wrote:
       | Ok, so lets see some independent testing then.
        
       | Cpoll wrote:
       | > They chose 20 g of Cascade Complete Powder and 20 g of EcoGeek
       | / Green Llama's detergent. While I do not own the standard, I
       | found some documentation to suggest that this is non-compliant
       | with the relevant ASTM testing standards...
       | 
       | This is damning if true, isn't it? Especially given the conflict
       | of interests. It reminds me of non-independent software
       | benchmarks.
       | 
       | Although, to be charitable, if they were skewing the results on
       | purpose, they could have just omitted the amounts altogether.
        
       | tguvot wrote:
       | a couple of most interesting parts
       | 
       | >Mechanical energy of the machine itself is responsible for 85%
       | of the soil removal during the cleaning cycle; the detergent
       | contributes the other 15%. Thermal energy is in a sense a
       | secondary effect, contributing to the effectiveness of both the
       | mechanical and chemical components of cleaning.
       | 
       | (From "Liquid Detergents, 2nd Edition".)
       | 
       | >The primary role of pre-wash is to quickly and mechanically
       | scrape off already loose particles and to dilute pigments before
       | a hot main wash cycle. Already loose particles are a nuisance
       | worth quickly clearing, and pigments can transfer to plastics at
       | some typical wash temperatures, so pre-wash has some value.
       | Tomato sauces (and turmeric) are insidious in this regard.
       | Because I think this latter point might be novel, I'll quote
       | Whirlpool:
       | 
       | >Pink/orange discoloration of plastics is usually caused by
       | carotenoid, a class of typically red/orange pigments found in
       | foods such as tomatoes and turmeric. When carotenoids are
       | dissolved in oils, they become easily absorbed into many
       | plastics, mainly when heat is also applied. Because the resulting
       | stain is absorbed into the plastic, water-based bleaches are
       | ineffective.
       | 
       | >Pre-rinsing or using a Rinse Hold cycle will reduce the chance
       | of staining. Regular use of a rinse cycle and an air-dry or
       | energy-saving dry option will >reduce the likelihood of staining.
       | 
       | (From
       | https://producthelp.whirlpool.com/Dishwashers/Dishwasher/Was...)
       | 
       | hence, running tap to get hot water into machine is actually
       | counterproductive. dishwasher manufacturers know what they do
       | when they run pre-wash with cold water
        
       | heohk wrote:
       | Dude who cares holy shit
        
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       (page generated 2025-11-07 23:01 UTC)