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Very complicated!! It took me about a year (13 months) of everyday writing to use up a 57ml bottle of Quink. It took me another year of everyday writing to use a large bottle (~50ml) of Pilot Iroshizuku ink. I hope that this helps. Regards, KC.

Love it, and I did these calculations myself on my pens a while back. I use much wetter and broader nibs than you do apparently. I was able to get about 5 - 7 A4 pages / 1ml of ink, which comes out to somewhere between 250 - 350 pages per 50ml.

Especially loved this one. Parker Quink was in use. It's my favorite ink. Black is magical.

Somebody help me with the math. He said “Your bottle of fountain pen ink will last up to 1.6 times longer using a fine nib compared to a medium nib”, and then showed us we get 1,250 pages with a medium nib and 3,214 pages with a fine nib. Which is 2.6 times more pages not 1.6 times more. What am I not understanding?

Idk why I'm watching this waiting on my first fountain pen to arrive but you are very entertaining

Good to see your videos coming back again. a very informative video to come back with, thank you.

"That should last me two days!" 🤣

This is a very useful content. Nice , honest experiment. I think I will have to keep on writing till the end of my life , to finish up with my 500ml*4 ink bottles plus a set of 60ml* 12 ink bottles!!

Good to see new content from you! Love your humour.

Superbly undersized on the stack of pages. 1,000 pages is two reams, about a stack 4-5 inches tall. Only off by a smidge :-)

Good to see you have returned to KZfaq ! I miss your muslings and ruminations!

I made a similar, but not as scientific and accurate experiment using one of these cute 10 ml bottles of ink from Herbin, and found out that I could write 240 pages of Clairefontaine A4 notebook using a medium nib. Yes, it is still a lot!

Hi, I have recently discovered your channel - and love it. Thanks for taking the time to make the videos. 😃

Very funny indeed - :) But, you forgot to multiply by the IF factor. Inky Finger factor = The rate at which a quantity of ink appears all over my fingers for no apparent reason / day. Typically this varies by the current level of Fiddle Factor which can be calculated by multiplying the level of Writing Dissatisfaction by my current work Avoidance Level. And for me, there are special cases where one also has to account for Toilet Loss. This is the level of ink dissatisfaction multiplied by the distance to the nearest toilet. I calculated all of this out on a piece of paper. Sadly I can't share it with you because I smudged the result and can't read it. I'm really glad you are tackling this thorny issue. It is a service to F-Penkind. Great stuff Thanks for the smile :)

Most useful fountain pen video ever made

Welcome back! I hope you’re here to stay. Will you continue the written online blog, too? I’ve missed your sense of humor. I almost missed this video because I didn’t recognise you with the long hair…

Always love your videos.

I use Parker QUink at work, because my writing isn't going to be stored forever. And if it is, I can scan the pages and save them. At home I use Jaques Herbin, Ferris Wheel Press, Private Reserve, and other good ink brands. I found the TWSBI Medium nib to be much broader than expected. It may be broader than the Lamy Broad nib.

Finally i can die in peace (after writing about 10,000 pages). Much appreciated 😂

yes, he's finally back!

mate, you should make a video about how to make your own ink

A very welcome return!

Hello good sir. I've been wondering what you were doing. I love your humor and style!

Such a useful video

🤣 Awesome video! Keep them coming! Ps: 50ml lasts me about a month and a week. I'm not counting the ink I used normally to draw only writing. 🤔 Perhaps I should see how much ink I use when drawing in the same amount of time

What brand is your lighted globe? It also caught my attention. Good stuff 👍

Yes - I did watch this video from start to finish!

Fantastic Analysis 👏👏👌👌😍😍

Me with my writing a milliliter lasts about 3 days. I buy 4.5oz bottles.

І bottle 60ml for 1 school year

Hey! 😃 I’ve missed your videos!

found this through your website, since it's a question a lot of newbies like me probably wonder and google. You mention in the video you're using a broad twsbi you perceive to be closer to a medium, but it's a little confusing since that detail seems to be omitted on your website where you refer to it as a medium. I measured my own twsbi fine and twsbi medium with waterman serenity blue, but just a sample size of 33 "quick brown fox lazy dog"s since that's a page of generic standard ruled A4 for me. taking multiple measurements with precision scales, the fine came out to 0.04 to 0.05g/ml (so 4.5ml~ for 3300 sentences, similar to your fine nib example), the medium about 0.08mg/ml. Not far off the broad, 2ml less for 3300 sentences, but worth mentioning. I have a medium Kakuno on the way to use for EDC, I'll come back and update this with numbers for that if I remember. (I am aware japanese nibs are a little thinner) yes, it's not very scientific, but it's a similar method so the results could be extrapolated similarly.

Brilliant. If I was pedantic I would have to consider the size of the letters ….. but now I have some justification for all the inks I buy. Or maybe not🤔

Very interesting and funny your videos are very original. Greetings from Mexico.

I actually worked this out this way. I use a extra fine Twisbi Diamond 580 Fountain Pen daily. I write exactly one page per day. Which equates too total usage of 2 ml of ink per month. So, if you are like myself you will use 24ml of ink each year. I did this too determine how often to order ink. As, I rely heavily upon foreign retailers for my supplies. And, use a Fountain Pen to track expenses, and, growth percentages for my own business. Running out of ink simply isn’t an option I can afford. What I have learned to do that works best. As, I have too deal with Customs delays, Postal Strikes, and so on… Is as soon as I use the first fill out of a 30ml bottle. Order another bottle as back stock. I figure all types of delays should be addressed in a period of 12 months. And, so far this strategy hasn’t proved flawed. I think that has more too do with Devine forces than my cognitive contributions though lol. Anyway, that’s how I managed to determine my best way forward . Good luck to all of those of you who share my desire for creative expression and, love for Fountain Pen writing.

6:00 "It's even more empty than when we started." Me: 🤔

responding to one of the comments below I was wondering in the whole world makes a 500ml bottle of ink? turns out, j herbin makes a bottle with that size. not a bad price either , around 75-86 usd if i m counting right. i see red, dont know what other color might exist. just to put it out there.

OK I'm loving this video premise - but why is Quink rubbish? It's been my black ink for 2 or 3 bottles now, what am I being short-changed about or need to explore?

How do you keep shimmering/sheen inks mixed in the pen?

Obi-Wan does ink reviews.

I find that when I am less tense, I seem to write larger. So, I assume I can check my mental welfare by merely counting the number of pages I can write with a bottle of ink. Verdad?

Wow dude!

Excellent bit of public enlightenment sir!

I got 30 ml of ink, doing everyday journalling, it havent' been empty for more than a year

10:25

Ewan Mcgregor talking about ink lol 😁

Nah, won't last me that long. I'll probably spill the bottle first. 🤣

I just found your channel. You are talented, but I wish your vids had proper lighting 💡

A brilliant parody of the nerdiness of some fp enthusiasts. Maybe we should actually write with our pens, rather than playing with them - I know I should! Great video!

two days 🤣🤣

Why is Quink rubbish?

Why do you dislike Quink so much? Is it just because it's boring?

Loved the video but watching you flip papers around an open ink bottle with a syringe stuck in it gave me the willies. This clumsy gal would have knocked it over in no time.

Hey! Get back here on KZfaq ASAP! I really like your content!