To evaluate the effectiveness of the Mrs. Meyers Clean Day Lavender Tub & Tile Cleaner and Cleanyst Free & Clear Tub & Tiles Cleaner on the removal of bathroom soil on various surfaces.
Date Run:
01/24/2020
Experiment Procedure:
Eighteen pre-weighed coupons, three of each substrate per cleaner, were each contaminated with one gram of bathroom soil (28.6% All-in-one shampoo and conditioner, 21.4% Dry skin lotion, 21.4% Liquid Hand Soap, 14.3% Liquid body wash, 7.2% Deodorant bar soap, 7.1% Water). The dirty weights were recorded after the coupons had dried for 24 hours at room temperature (68 F). Three coupons of the same substrate were aligned into a Single Line Washing Unit (SLW) with The Wypall X60 attached to the cleaning sled. The Wypall X60 reinforced wipe along with the coupons were all sprayed three times with the cleaner and then allowed to soak for 30 seconds. Afterwards the Single Line Washing Unit (SLW) was activated and cleaned for 20 cycles. The clean coupons were all then allowed to dry overnight at room temperature before the final weights were recorded.
Trial Results:
Cleaner
Coupon Type
Initial wt. of cont.
Final wt. of cont.
%Cont. Removed
% Average
% Overall
Mrs. Meyers Clean Day Lavender Tub & Tile Cleaner
Ceramic
0.0936
0.0095
89.85
89.38
65.70
0.1062
0.0101
90.49
0.2006
0.0245
87.79
Plastic
0.3697
0.1868
49.47
47.55
0.4208
0.2129
49.41
0.3420
0.1923
43.77
Chrome
0.2210
0.0715
67.65
60.16
0.2959
0.1023
65.43
0.2725
0.1433
47.41
Cleanyst Free & Clear Tub & Tiles Cleaner
Ceramic
0.2225
0.1002
54.97
46.01
43.06
0.2763
0.1726
37.53
0.3826
0.2084
45.53
Plastic
0.4444
0.3098
30.29
31.11
0.3579
0.2709
24.31
0.3540
0.2169
38.73
Chrome
0.3569
0.2024
43.29
52.05
0.2056
0.0816
60.31
0.2909
0.1380
52.56
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
Both cleaners were ineffective at removing bathroom soil on a variety of surfaces.
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