Descaling efficacy testing of Virdivis FB-1000 product against Lysol Power Toilet Bowl Cleaner.
Date Run:
09/24/2024
Experiment Procedure:
The baseline weight and visual observations were taken for four marble block chips, three for the Virdivis FB-1000 (one for 10%, one for 2%, and one for 1%) and one for the Lysol toilet bowl cleaner. Each chip was placed in a beaker filled with the designated product solution and immersed completely. The chips were removed from the products and rinsed in tap water for 15 seconds each, and then dried with a heat gun at 500 F for 2 minutes each. The chips were left to cool to room temp for 2 hours total. Once the chips were cooled, final weights were recorded to determine weight loss (if any). Visual observations were made for color change (if any) and presence of marble chips in the solution for each marble block during the immersion process after 1 minute, 5 minutes, 10 minutes, 15 minutes, and 30 minutes.
Trial Results:
Marble Piece
Initial Weight
Clean Weight
% Removed
1 (FB-1000 10%)
21.3636
21.2091
0.7232
2 (FB-1000 2%)
28.7136
28.6813
0.1125
3 (FB-1000 1%)
30.9967
30.9837
0.0419
4 (Lysol toilet bowl cleaner)
22.7754
21.7376
4.5567
Marble Piece
Observation Time Length
Observation Notes
1 (FB-1000 10%)
1 Minute
little bubbles, foaming, rising slowly, no color change or pieces breaking off, marble looks same
5 Minutes
lighter color change, cloudy white liquid, all other observations the same
10 Minutes
more cloudy white at bottom of beaker, crack forming on marble (side corner), no other changes
15 Minutes
marble turning slight whiter in color, bubble rate slowing, another crack down middle of marble, no other changes
30 Minutes
solution cloudier, marble got more pale in color, all other observations are the same
Marble Piece
Observation Time Length
Observation Notes
2 (FB-1000 2%)
1 Minute
little to no bubbles or foaming, no color change or pieces falling off, marble looks the same
5 Minutes
no change from previous observations
10 Minutes
no change from previous observations
15 Minutes
some cloudy whitening of solution at the bottom near the marble, no other changes
30 Minutes
no change from previous observation
Marble Piece
Observation Time Length
Observation Notes
3 (FB-1000 1%)
1 Minute
little to no bubbles or foam, no color change, marble looks the same
5 Minutes
no change from previous observations
10 Minutes
no change from previous observations
15 Minutes
no change from previous observations
30 Minutes
no change from previous observations
Marble Piece
Observation Time Length
Observation Notes
4 (Lysol toilet bowl cleaner)
1 Minute
little bubbles and foaming, no discoloration or chips, bubbles on marble, no color change
5 Minutes
bubble rate same, lots of foam on top, no color change, chips breaking off
10 Minutes
bubble rate slowing, foam same, slight color change, more chips broke off
15 Minutes
bubble rate same, significant foaming, slight color change, significant chipping
30 Minutes
bubble rate increasing, significant foaming, slight color change, more chipping
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
Conclusion:
Virdivis FB-100 was less effective at descaling when compared to the Lysol Power Toilet Bowl Cleaner.
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