Attributes

Brand	-
Category	Office Equipment, Supplies & Services / Photo Printing Equipment
Origin	-
Brand	Tuohai Family
Product Type	C41 Color Negative Film Development Kit
Form	Pure Powder
Process Compatibility	Standard C-41 Process
Yield per Mix	Approx. 1 Liter (33 oz)
Shelf Life (Unmixed)	24 Months
Storage Requirement	Cool, Dry Place Away from Light
Included Components	Developer, Bleach, Fixer, Stabilizer Powders
Skill Level	Intermediate to Advanced
Country of Origin	China

6 reviews

Anonymous

Mar 25, 2026

Rating: 5/5

Consistent C41 results every time

I have used three batches now on Kodak Gold and Fuji C200. The grain structure is preserved well, and the color saturation is accurate. Highly recommend for anyone moving away from mail-in services.

Anonymous

Mar 23, 2026

Rating: 5/5

Excellent results for home developing

I was hesitant to switch from liquid concentrates to powder, but this kit produced vibrant colors and consistent negatives. The instructions were clear, and the powder dissolved quickly without residue.

Anonymous

Mar 18, 2026

Rating: 4/5

Solid starter kit for powder users

If you are new to mixing your own chemicals from powder, this is a forgiving kit. The stabilizer step really helps with archival quality. Took off one star because the measuring guide is only in metric.

Anonymous

Mar 06, 2026

Rating: 3/5

Good product, packaging could be better

The chemistry works well, but one of the packets arrived slightly torn. Fortunately, none of the powder spilled, but better sealing would give more peace of mind during shipping.

Anonymous

Mar 04, 2026

Rating: 5/5

Perfect for travel photographers

Since these are powders, they are incredibly lightweight and easy to pack for trips abroad. I developed rolls in a hotel bathroom sink with no issues. Colors matched my lab scans perfectly.

Anonymous

Mar 03, 2026

Rating: 4/5

Great value, requires precise mixing

For the price, you cannot beat the yield. Just make sure you have a good scale and distilled water. My first batch had slight color shifts because I didn't mix the bleach thoroughly enough.

5 FAQ

Q: Can this kit be used for E-6 slide film development?

A: No, this kit is formulated strictly for the C-41 color negative process. Using it for E-6 film will result in ruined images. Please look for our specific E-6 powder kit for slide films.

Q: Is the temperature control critical for this powder version?

A: Yes, temperature control is just as critical with powder mixes as with liquids. The C-41 process typically requires maintaining the developer at 37.8°C (100°F) ± 0.15°C for consistent color reproduction.

Q: How long does the mixed solution last before it expires?

A: Once mixed with water, the developer is best used within 2-3 weeks if stored in an airtight, full bottle away from light. The bleach and fixer generally last longer, up to a month, but we recommend testing with a sacrificial roll if storing for extended periods.

Q: Do I need any special equipment to mix these powders?

A: You will need a digital scale capable of measuring grams accurately, a set of graduated cylinders or beakers, and access to distilled water. Standard darkroom tanks and reels are required for the actual development process.

Q: Can I reuse the solution for multiple rolls?

A: Yes, you can reuse the mixed solutions. Typically, one liter of mixed developer can process about 4 to 6 rolls of 35mm film if you extend the development time slightly for each subsequent roll according to standard C-41 push charts.

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