which developer for bit by bit use over time....

jim appleyard · May 25, 2009

wogster said:
It's cheap and easy if you have all the equipment needed already, but have you priced scales and the such lately, yikes. I can buy enough HC110 to do me for the rest of my life, for the price of even a cheaper lab scale ($200 or so), that will be accurate enough for the tiny amounts needed, especially in this country. There is also the issue of not everybody wants to waste half their photography time playing chemist.

I use the teaspoon method. A set of cheap teaspoons can be found for $1.00 at the dollar store. I know some purists scoff at the idea of using teasppons, but they have never let me down.

I the back of The Darkroom Cookbook there is a conversion chart from grams to teaspoons.

It takes only a bit longer to measure out the chems for D-23 than it does to measure out the proper amount of HC-110, but as always, whatever works for you.

Venchka · May 25, 2009

Earth to wogster:

For less than $20 you can get a digital scale and a 50 gram calibration weight. Amazon is your friend.

http://www.amazon.com/Scales-Measuring-Tools-Cooks-Gadgets/b?ie=UTF8&node=289787

wogster · May 26, 2009

Venchka said:
Earth to wogster:

For less than $20 you can get a digital scale and a 50 gram calibration weight. Amazon is your friend.

http://www.amazon.com/Scales-Measuring-Tools-Cooks-Gadgets/b?ie=UTF8&node=289787

Problem is, by the time I buy the scale, pay for shipping, brokerage fees, customs, taxes and convert that into real money (real money being the stuff that comes in my pay packet each week, and not what some company in the US is dealing with), I am looking at $150. Then if it ever breaks or needs recalibrating I need to pack it up, send it back to the US, do a bunch of customs paperwork, and hope the US repair facility has a person in their shipping department with a half a brain, that will do the
proper customs declaration that gets it back to me, without my having to waste hours and hours on the phone fighting with customs. Been there, done that, will not make the same mistake again.

gainer · May 27, 2009

If in Canada you have those who use firearms and who make bullets and load powder into cartridges, you will be able to find balances that are quite sensitive and accurate at much lower prices than for lab balances. There are no flaming digits to go bad and the only adjustment is in the form of a thumbscrew that adjusts for small changes in tare. They can be had for measuring gams or grains.

I think I was the one who first promoted spoon measurements when I wrote the article "Kitchen Tested Soups" for Petersens Photographic in 1973. I not only presented a number of recipes, but I showed tests of uniformity and other facts. If you email me at pgainer@rtol.net, I will send you back a copy.

gainer · May 27, 2009

Gams? Don't I wish!

Larry.Manuel · May 27, 2009

Digital Scale in Canada: Lee Valley Tools. [CAN$ 18.50]

I'd love to read a review of how well this works for weighing out photo chemicals.

http://www.leevalley.com/garden/page.aspx?c=1&p=61130&cat=2,40733,44734

wogster · May 27, 2009

gainer said:
If in Canada you have those who use firearms and who make bullets and load powder into cartridges, you will be able to find balances that are quite sensitive and accurate at much lower prices than for lab balances. There are no flaming digits to go bad and the only adjustment is in the form of a thumbscrew that adjusts for small changes in tare. They can be had for measuring gams or grains.

I think I was the one who first promoted spoon measurements when I wrote the article "Kitchen Tested Soups" for Petersens Photographic in 1973. I not only presented a number of recipes, but I showed tests of uniformity and other facts. If you email me at pgainer@rtol.net, I will send you back a copy.

Okay, emailed....

wogster · May 27, 2009

Larry.Manuel said:
I'd love to read a review of how well this works for weighing out photo chemicals.

http://www.leevalley.com/garden/page.aspx?c=1&p=61130&cat=2,40733,44734

The key would be how accurate the unit is, for photography you would need units in grams with an accuracy of +/- . .05g although .01g. would be better,

which developer for bit by bit use over time....

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