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Description
Photographers' Formulary Sodium Sulfite (Anhydrous, 1 lb)Common Developing Agent Preservative Energizer for Amidol Developer Used in Acid Fixing Bath Blackener for Negative Intensification This is 1 lb of anhydrous Sodium Sulfite from Photographers' Formulary . It is most commonly used as a preservative in developing agents and is also an active energizer in Amidol development. It is also used within acid fixing baths and as a blackener for negative intensification processes. UPC: 675152134035 Synonyms
- Common Developing Agent Preservative
- Energizer for Amidol Developer
- Used in Acid Fixing Bath
- Blackener for Negative Intensification
This is 1 lb of anhydrous Sodium Sulfite from Photographers' Formulary . It is most commonly used as a preservative in developing agents and is also an active energizer in Amidol development. It is also used within acid fixing baths and as a blackener for negative intensification processes.
UPC: 675152134035
| Synonyms | Sulfite of Soda Sodium sulfite anhydrous Disodium sulfite Sulfurous acid, disodium salt Exsiccated sodium sulfite |
| Appearance | White granular crystals or powder |
| Uses | As a preservative of developing agents Constituent of the acid fixing bath Blackener in negative intensification Active energizer in Amidol development To clear Polaroid Type 55 black & white negatives |
| Chemical Formula | Na 2 SO 3 |
| Notes | Sodium sulfite is the most widely used preservative in developers. It also plays an important part in the process itself. |
| Weight | 1 lb / 453.6 g |
| Packaging Info | |
|---|---|
| Package Weight | 1.1 lb |
| Box Dimensions (LxWxH) | 4.8 x 3.1 x 3.1" |
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4.1 ★★★★★
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Product Reviews
★★★★★ 1
Runs small
Size: 11 Wide Big Kid, Color: Black/White, Size: 11 Wide Big Kid, Color: Black/White
Runs extremely small, but does look like a nice shoe. I ordered 11W for my grandson. The image shows a different brand size 10 red shoe. As you can see the red one is bigger and wider than the new one ordered.
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Reviewed in the United States on March 2, 2026
★★★★★ 3
Good. Just good.
Overage at best. Not a bad sneaker for running and courts. The bottoms wore out faster than I thought but they are comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2025
★★★★★ 5
Great shoes
Size: 4 Big Kid, Color: Coral
My son runs cross country and he says these fit well and are so comfortable. They are great running shoes plus the price is on point!
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Good shoes
Size: 6.5 Wide Big Kid, Color: Black
These are great shoes for walking. My son was able to walk around our trip to scotland and didn't complain about his feet hurting!
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Reviewed in the United States on October 31, 2025
★★★★★ 4
Sturdy, supportive, wish they were a bit more breathable
Bought these for my seven year old after he tore through a cheaper pair of tennis shoes in a month. These have held up very well, still looking decent after several months of heavy use, just a few minor scuffs. The fit is great and they are very comfortable for him. My only complaint is that they are not as breathable as I would expect and my son’s feet get hot and sweaty very easily inside. Overall, they’ve been very durable and I would buy again.
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Reviewed in the United States on March 4, 2025
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