Ilford Ilfotec DD is a replenishable developer for all general purpose black and white films.

Ilfotec DD concentrate is diluted 1+4 with water to prepare working strength replenisher.

For some applications this solution can be used as a developer but some adjustment to the recommended development times is required.

To make working strength Ilfotec DD developer add Ilfotec DD Starter to the working strength replenisher, 1 + 250, i.e. 4ml of starter per litre of developer required.

It is supplied as a liquid concentrate to make up replenisher and the addition of Ilfotec DD Starter solution turns the replenisher into machine tank developer.

Ilfotec DD is specifically designed to be used in applications where large quantities of film are processed such as replenished dip and dunk (hanger) processing systems.

With some adjustments to development times and operating temperature it can also be used in deep tanks and continuous long leader processors.

Ilfotec DD has a long tank life and good resistance to contamination, reliably producing superb quality negatives under a wide range of conditions.

The recommended working temperature range is 20 - 24°C, (68 - 75°F).

For some applications Ilfotec DD working strength solutions can be used as a developer without using Ilfotec DD Starter.

For machine processing Ilford recommends that it is used in conjunction with Ilford Ilfotec DD Starter solution.

Related Questions and Answers

Q: 1. Is there a visible difference when used on Ilford RC MG IV ?

A: In the absence of testing reports we would suggest the best way to determine the effect of this developer on that paper would be accomplished by personal testing in your darkroom.

Q: 2. Do they the return the negs cut or can you request them uncut?

A: Ilford does cut the negatives into strips of 4. If you dont want the negatives to be cut, you can request this. You would simply want to write this on the envelope.

Q: 3. Harmon positive paper ?

A: Yes, you can use Ilford Harman Warmtone Developer for Black and White RC and Fiber-based Papers with HARMAN technology Direct Positive Fiber Based (FB) Paper.

Q: 4. Hi, is this in solid or liquid form?

A: Liquid

Q: 5. How many rolls of 35mm can be process with this 1quart kit?

A: Acufine recommends no more than 16 rolls of 35mm per quart.

Q: 6. How long does it take for it to get back to you?

A: During regular times Ilford usually takes 3-4 business days to process the film. Due to the current worldwide health emergency, the number of days is unpredictable. The envelope offers multiple shipping options including 1 or 2-day delivery to standard shipping time. This only affects the time your films will take to arrive at Ilford or to return to you.

Q: 7. Can mailers be used to have Ilford SFX Infrared film processed?

A: Yes, this mailer can also be used for Ilford SFX Infrared film processing.

Q: 8. Do these mailers have an expiration date? If so where can you see it (I looked in Specs but couldn’t find anything. Hey that

A: There is no expiration date for mailers.

Q: 9. Can Acufine be replenished?

A: No, there is no replenisher made for Acufine Acufine Developer (Powder) for Black & White Film - Makes 1 Quart.

Q: 10. is push processing available?

A: Yes push or pull