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Why settle for less when you can opt for the pure, professional-grade 5lbs Sodium Thiosulfate (Hypo), Penta (Prismatic Rice) from the trusted brand, Photographers' Formulary This high-quality product is a must-have for photography enthusiasts and professionals alike, especially those who specialize in black and white film development.
Our Sodium Thiosulfate is an essential ingredient in the preparation of fixing baths and various reducers, making it a reliable choice for your photographic needs. Notably, our product is available in two forms: anhydrous and the more common crystalline. Each form has its unique properties, with the crystalline hypo known to significantly lower the water temperature when dissolved. To ensure optimal results, we recommend starting with water of at least 90°F/32°C when mixing the crystalline form.
If you're looking to substitute crystalline hypo with anhydrous salt, use 64% of the anhydrous salt. This bulk offering of Sodium Thiosulfate not only ensures you have enough supply for your projects but also offers the convenience of having it readily available when needed.
In a nutshell, the 5lbs Sodium Thiosulfate (Hypo), Penta (Prismatic Rice) is a testament to our commitment to providing effective, reliable, and high-quality products for all your photography needs.