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Don't rely on printed milliliter measurements on side of dropper
Reviewed in the United States on May 17, 2020
Keep your expectations very low for the measurement markings, however they can still be useful if you make your own adjustments.As other reviewers pointed out, the appearance/shape of the droppers aren't entirely consistent. Out of twenty there are four or five from a different batch. However as you can see in the third picture, the one with the lower markings also doesn't have such a long thin tip at the end, so I can easily believe the measured markings are consistent from one dropper to the next.The real issue is, ALL the dropper have a huge bias upward. If I fill the dropper to the 1ml mark ten times, I get 15.0 ml (not 10.0ml) and if I fill the dropper to the 0.5ml mark ten times, I get 9.0ml (not 5.0 ml). So I need to fill it just above the 0.5ml mark if I want to get 1ml. This gives us: 0.25ml = 0.6ml, 0.5ml = 0.9ml, 0.75ml = 1.2ml and 1.0ml = 1.5ml. You'll probably want to confirm whether yours give you different results. I do fill to about the "1ml" (=real 1.5ml) mark when I fully squeeze the bulb, and it takes more work to fill to any lower measurement than that.Bottom line, this is still far more helpful to me than a dropper with no measurement markings, however you'll have to seriously "calibrate" what you're actually getting if you hope to get any accuracy whatsoever.
Reviewed in the United States on May 17, 2020
Images in this review
Top reviews from the United States
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Reviewed in the United States 🇺🇸 on May 17, 2020
As other reviewers pointed out, the appearance/shape of the droppers aren't entirely consistent. Out of twenty there are four or five from a different batch. However as you can see in the third picture, the one with the lower markings also doesn't have such a long thin tip at the end, so I can easily believe the measured markings are consistent from one dropper to the next.
The real issue is, ALL the dropper have a huge bias upward. If I fill the dropper to the 1ml mark ten times, I get 15.0 ml (not 10.0ml) and if I fill the dropper to the 0.5ml mark ten times, I get 9.0ml (not 5.0 ml). So I need to fill it just above the 0.5ml mark if I want to get 1ml. This gives us: 0.25ml = 0.6ml, 0.5ml = 0.9ml, 0.75ml = 1.2ml and 1.0ml = 1.5ml. You'll probably want to confirm whether yours give you different results. I do fill to about the "1ml" (=real 1.5ml) mark when I fully squeeze the bulb, and it takes more work to fill to any lower measurement than that.
Bottom line, this is still far more helpful to me than a dropper with no measurement markings, however you'll have to seriously "calibrate" what you're actually getting if you hope to get any accuracy whatsoever.
Item Package Quantity: 20Verified Purchase
Don't rely on printed milliliter measurements on side of dropper
Reviewed in the United States 🇺🇸 on May 17, 2020
Keep your expectations very low for the measurement markings, however they can still be useful if you make your own adjustments.Reviewed in the United States 🇺🇸 on May 17, 2020
As other reviewers pointed out, the appearance/shape of the droppers aren't entirely consistent. Out of twenty there are four or five from a different batch. However as you can see in the third picture, the one with the lower markings also doesn't have such a long thin tip at the end, so I can easily believe the measured markings are consistent from one dropper to the next.
The real issue is, ALL the dropper have a huge bias upward. If I fill the dropper to the 1ml mark ten times, I get 15.0 ml (not 10.0ml) and if I fill the dropper to the 0.5ml mark ten times, I get 9.0ml (not 5.0 ml). So I need to fill it just above the 0.5ml mark if I want to get 1ml. This gives us: 0.25ml = 0.6ml, 0.5ml = 0.9ml, 0.75ml = 1.2ml and 1.0ml = 1.5ml. You'll probably want to confirm whether yours give you different results. I do fill to about the "1ml" (=real 1.5ml) mark when I fully squeeze the bulb, and it takes more work to fill to any lower measurement than that.
Bottom line, this is still far more helpful to me than a dropper with no measurement markings, however you'll have to seriously "calibrate" what you're actually getting if you hope to get any accuracy whatsoever.
Images in this review
Top reviews from other countries
tony murphy
Excellent Product.
Reviewed in the United Kingdom 🇬🇧 on November 30, 2018Item Package Quantity: 20Verified Purchase
Andrew and his Cats
Good quality glass and droppers are nice
Reviewed in the United Kingdom 🇬🇧 on October 10, 2019Item Package Quantity: 20Verified Purchase
Julia Bernard
Perfect
Reviewed in the United Kingdom 🇬🇧 on May 20, 2019Item Package Quantity: 40Verified Purchase
Kindle Customer
Quality droppers, bit hard to clean
Reviewed in the United Kingdom 🇬🇧 on December 5, 2019Item Package Quantity: 20Verified Purchase
Mr Haroon Hanif
Nice smooth transaction and very fast delivery
Reviewed in the United Kingdom 🇬🇧 on May 31, 2021Item Package Quantity: 40Verified Purchase
