HP5+ and Ilfotec HC - my review so far

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david b

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So I've been using HP5+ for a while and really love this film. I used it in both 35mm and 120. It's my go to film because I can always get a good neg out of it. But I've looking for a developer that might be a bit easier on the environment than ID-11 or xtol, and I also wanted a liquid developer.

Being a big fan of Ilford products, I thought I would give their Ilfotec HC a try. It comes as a liquid, although it is thicker than Mrs. Butterworth's maple syrup. It is the Ilford equivalent to Kodak's HC-110. I believe they both have the same mixing and dilution directions.

I ordered up some HP5+ and an expensive bottle of Ilfotec HC from Freestyle. The one liter bottle costs $35.

I shot a roll of the film at 250, outside, on a day that had sun and clouds. I would normally rate this film at 250, even when using ID-11 or xtol.

I grabbed my new bottle of HC and headed to the darkroom. Following the directions, I mixed a 500ml working solution using the 1+31 dilution. This was 16ml of HC and 485ml water. It goes without saying that this stuff is thick! It settled quickly to the bottom of my graduate. Without mixing it up, I poured this into my film canister. The syrup is so thick, that is sticks to the side of the graduate. After a few moments, it finally slides out.

Total development time (as per the bottle) was 6.5 minutes at 68 with agitation for the first minute, and then 3 inversions once a minute there after. The negatives look really good to my eye. Under an 8x loupe, there is grain, but it is not bothersome (to me). I have not made contact sheets or a print yet but will tonight.

So, onto the second roll.

The second roll of film was shot indoors, at an ISO of 800. The exposures where made at 4/125 and 5.6/125. Using the instructions on the bottle, I developed for 9.5 minutes at 68. I used the same dilution (1+31) and the same agitation. But this time, I mixed the syrup thoroughly BEFORE pouring it into the film canister. The negatives came out very contrasty and thick.

So, I think I will need to back off on the developement a bit, when shooting at 800. Kodak says to use 7.5 minutes when using HC-110 with HP5+ that has been exposed at 800. I will probably try 8.5 minutes.

I will be making contact sheets tonight and probably a print or two. I will post the results here.

Side Notes:
When making a working solution, pour 100ml of water into your mixing container. Then pour in your HC. Stir constantly. Then keep filling the graduate that was used to measure out the HC and use this to continue making your total working solution, making sure you get it all into the working solution. Once it is all in, mix thoroughly.
 

Gerald Koch

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What I do with HC-110 is to use a 50 ml graduate for the concentrate. I measure out the remaining amount of water. I measure out the concentrate and pour it into the water where it will settle to the bottom. I then half fill the 50 ml graduate with some of the water and using my thumb to cover the top shake the graduate until any remaining syrup dissolves. I then add this to the remaining developer mixure and stir until the remianing syrup dissolves.
 
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david b

david b

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I just did another roll of HP5+ that I shot at 250. Thick and contrasty. I am thinking it might just be a 400 speed film in this developer.
 

argentic

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So I've been using HP5+ for a while and really love this film. I used it in both 35mm and 120. It's my go to film because I can always get a good neg out of it. But I've looking for a developer that might be a bit easier on the environment than ID-11 or xtol, and I also wanted a liquid developer.

Being a big fan of Ilford products, I thought I would give their Ilfotec HC a try.

Why would Ilfotec HC be more friendly on the environment? Ilfotec HC uses toxic diethelene glycol as a solvent, and not so friendly developing agents. Xtol is a lot less toxic. Homemade Vitamin C developer is even better.
 

John Bragg

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Hi David.

Just a little tip when measuring Syrupy developer concentrates such as HC-110, and Ilfotec-HC. I use a syringe and wash it out into the mixing vessel with water, then top up to final volume. Very acurate measurement this way.

Regards, John.
 

GeorgesGiralt

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Hi !
As I was told by Phd chemists at my job, DO NOT TRY to measure sirupy liquids by volume. You have to measure them by wheight in order to get accurate measurements. Even when using a syringe, so much syrup stick to the outside of the syringe that it is really difficult to measure accuratelly small volumes.
The main problem being to devise the density of Ilfotec HC.
5BTW, the density of HC110 is 1.215 but I htink it would be a miracle if Ilfotec HC had the same ....
This may explain why you've so thick negs even when using Ilford's rec. times/dilutions.
 

Ryuji

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Why would Ilfotec HC be more friendly on the environment? Ilfotec HC uses toxic diethelene glycol as a solvent, and not so friendly developing agents. Xtol is a lot less toxic. Homemade Vitamin C developer is even better.

As a general comment for some of the earlier postings, Ilfotec HC and HC-110 aren't identical. Kodak has a patent for HC-110 and Ilford had to work around it. They are similar but with a couple of key differences.

Speaking of ascorbate film developers, I have been using a concentrated ascorbate film developer that is water-based (not very syrupy), no toxic ingredient, dilution of 1+19 or 1+29, gives "box speed" with most films, fine grain, and decently good accutance. When used 1+19 it's also suitable for push processing. I've made visually grainless 20x24 inch prints out of a 35mm Fujifilm Acros developed in this developer 1+29. I initially made it for Delta 3200 and TMZ when maximum speed is necessary, but it is also an excellent developer for slow films (APX 25, Pan F Plus, Acros, TMX, Konica IR 750, etc.).
 

BradS

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.... But I've looking for a developer that might be a bit easier on the environment than ID-11 or xtol, and I also wanted a liquid developer.

Xtol is about as environmentally friendly as you can get. If you prefer Ilford, I believe their competitor to xtol is DDX (?).

HC-110 / Ilfotec HC is considered only marginally environmentally friendly due to the very small amout of chemistry used per roll.
 

Ryuji

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Xtol is about as environmentally friendly as you can get.
Not true. XTOL uses borate and DTPA. Borates are harmful to plants. DTPA is not biodegradable. These agents can be replaced with safe and biodegradable agents.

If you prefer Ilford, I believe their competitor to xtol is DDX (?).
However, the pH of Ilfotec DD-X is considerably higher, and the developing agent is also different.

HC-110 / Ilfotec HC is considered only marginally environmentally friendly due to the very small amout of chemistry used per roll.
However, the quantity of developing agents is not that much different from other developers.
 
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