- Joined
- Dec 10, 2005
- Messages
- 495
- Format
- 35mm RF
Hmax Concentrate (Kodak Tmax concentrate clone) ...
Water 110-120F 540 ml
Sod. Sulfite anhyd. 24 g
Antical #3 1% solution 45 ml
Hydroquinone 6 g
Kodalk (NaBO28H2O) 29 g
Dimezone S 1% solution 35 ml
KBr 1 g
Benzotriazole 0.2% solution 40 ml
Water to make 757 ml (matching the Kodak Tmax concentrate volume)
...
Tmax is the only developer I've ever used, apart from a couple of detours with Rodinal. Recently I thought of trying something else though, because I am so stupidly persistent in thinking I will remember how many films I develop without writing it down. So end up using it when it's very weak, but reading Andrews reply about replenishing I might try that.
Sara, Just as an FYI, I just use regular TMAX dev mixed 1:4 to replenish, not the replenisher, or TMAX RS, just regular TMAX dev.
The negs I get from TXP 320 are just amazing to print. I soup this film for 7.5 mins @ 68 Deg f. For TMY-II film I soup for 8 minutes..... Negs are a joy to print also.... You will find that seasoned replenished developer is less apt to blow highlights for some reason. It gets to this point after around 15 or so films have been run through the 2 liter working solution... replenishing each time 500ml per 5 x 120 films is about right for me.
......
Thanks for that information!Antical #3 is a calcium chelating agent similar to calgon. If you mix the stock solution and also dilute with distilled water, or if your tap water source is relatively free of minerals it can be omitted from the formula. One possible source is: http://www.digitaltruth.com/products/rawchemicals.php
Interesting.... I'm not faulting your methods, but Clyde Butcher has been a big proponent(well, maybe more of a "silent" proponent) of Tmax Developer and TMX100, and he's shooting in in 4x5-12x20.
so using it for sheet film might not be such a big deal, IDK, just noticed this when reading through his site the other day
-Dan
I love TMAX developer. It works great for late films such as TXP 320 in 120 format. I use it 1:4 and replenish it. Used this way, it is VERY economical. Kodak specs say you can develop up to 15 rolls with the stock solution before needing to adjust development times. Using it replenished is also consistent. I have a 2l working batch of TMAX 1:4 strength developer ready to go. Prior to each session, I pour out about 500ml of working solution, and mix in another fresh batch of 1:4 (100ml developer, and 400ml water) and I am good to go. I could get away with less, but there is no need and I use this for approximately 5 rolls of film per session. This method of replenishment is something I've been doing with my fixer too and going on like this I see no reason for my developer to last indefinitely. I also find that TMAX dev season REALLY well too. After 15 rolls or so are through it, the negs are really nice, and not as easily blown in the highlights.... espeically handy for TXP. YMMV of course!
What I'd really like to know is why Tmax dev was created by Kodak in the first place? What was the goal?
Andrew,
Through what mechanism are you using the replenished T-Max developer; Paterson Super System 4 tanks?
Tom
What I'd really like to know is why Tmax dev was created by Kodak in the first place? What was the goal?
Tom, I use both stainless Hewes reels and adorama tanks for all film processing exclusively now... I had too many anomalies with the Paterson system and especially with pyrocat negs.. The stainless tanks have eliminated all of these issues with ALL developers.
..
Hello Andrew,
Your comments are interesting as I have also experienced anomalies processing with the Paterson tanks that can come and go even with a careful work flow.
Tom
Ian,
What I saw at a couple operations was a casual and incompetent atmosphere: TMY was treated as it were TX, with the attitude of "Anything goes, it'll work". Temperatures were inconsistent, times and agitation was variable, and often the personnel was poorly trained and supervised.
I can't account for what other people did, but there were lots of folks who were attentive and correct, and got great results.
I'm not offering this as a comprehensive history, simply an anecdote from a primary source.
Does the TMax developer really give better film speed (shadow detail) than Xtol?
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