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Espresso Hackers - Lotus Water Drops Calculator
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SaltPPM/Drop/450 ml
(Lotus Drops)
20 drops / ml
104
Potassium Bicarbonate (KHCO3) 5.00
105
Baking Soda (NaHCO3) 5.06
106
Magnesium Chloride (MgCl2 x 6H2O) 10.00
107
Calcium Chloride (CaCl2) 10.00
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119
Per 100 ml
120
SaltLotusYour Quantities (g)
121
Potassium Bicarbonate (KHCO3)8.99811.248
122
Baking Soda (NaHCO3)7.6489.560
123
Magnesium Chloride (MgCl2 x 6H2O)18.30222.878
124
Calcium Chloride (CaCl2) 9.97012.463
125
126
127
My Dropper: Drops/ml25
<- Fill with your number of drops/ml to get the amount of each salt in column P
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Lotus: Drops/ml20
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Instructions:
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1 - Measure the number of drops/ml using your dropper/siringe
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2 - Add the number to O126 (red cell)
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3 - Dilute the salts in the amount described in P120 to P123 to 100 ml of water
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Where to buy the ingredients / equipment:
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Online Course - Coffee Water Wizardry (The Coffee Chronicler):
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https://gumroad.com/a/75812627/ngngp
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Book: The Physics of Filter Coffee
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Amazon:
https://geni.us/9baYAk
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Precision Scale (0.01g)
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Aliexpress
https://s.click.aliexpress.com/e/_oBArzYX
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Amazon:
https://geni.us/PrecisionScale
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Dropper Bottles:
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Aliexpress
https://s.click.aliexpress.com/e/_oBIyMCj
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Amazon:
https://geni.us/AmfQ276
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Zerowater filtration kit:
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Aliexpress
https://geni.us/tB4xTF8
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Amazon:
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TDS Meter:
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Aliexpress:
https://s.click.aliexpress.com/e/_DEaNVrF
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Zerowater TDS Meter Amazon US/CA:
https://geni.us/uf99V
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Generic TDS Meter Amazon UK/DE/US/CA:
https://geni.us/6NWFGPC
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Minerals:
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Sodium Bicarbonate (NaHCO3):any supermarket
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Potassium Bicarbonate (KHCO3):
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Amazon:
https://geni.us/KHCO3
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Calcium Chloride (CaCl2):
170
Amazon:
https://geni.us/CaCl2
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Magnesium Chloride (MgCl2.6H2O):
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Amazon:
https://geni.us/VxDm
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Third Wave Water:
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Amazon:
https://amzn.to/45jh3Fo
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Lotus Water Drops:
https://lotuscoffeeproducts.com/
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Apax Lab:
https://apaxlab.com/
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PS: some are affiliate links, you don't pay more for it, but I may receive a small comission.
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