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Raise pH so the developing agent works fast enough.
Borax Sodium tetraborate x 5H2O - 1000g
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Borax Sodium tetraborate x 5H2O - 10g
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Borax Sodium tetraborate x 5H2O - 25 000g
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Borax Sodium tetraborate x 5H2O - 5000g
⚠️ This product can only be purchased by registered business or government entities.
Availability: Large quantity
Dispatched within: 7 days
Borax Sodium tetraborate x 5H2O - 500g
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Availability: Large quantity
Dispatched within: 7 days
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 1000g
Availability: Large quantity
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Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 100g
Availability: Large quantity
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Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 25 000g
Availability: Large quantity
Dispatched within: 7 days
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 5000g
Availability: Large quantity
Dispatched within: 7 days
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 500g
Availability: Large quantity
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Sodium Hydroxide ( Lye ) Caustic Soda - 1000g = 1kg
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Sodium Hydroxide ( Lye ) Caustic Soda - 25 000g = 25kg Bag
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Potassium carbonate anhydrous 99.5% PureLand AR/ACS Op.1000g
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Potassium carbonate anhydrous 99.5% PureLand AR/ACS Op.500g
Availability: średnia ilość
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PureLand anhydrous potassium carbonate, hard packed, 1000 g HDPE bottle
Availability: Large quantity
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PureLand potassium carbonate anhydrous chda op.250g HDPE bottle
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Sodium Carbonate - Soda ash ( Ammoniacal ) Sodium Carbonate Light
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SODIUM CARBONATE standard solution 0.05 MOL/L OP. 1L PureLand
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76,00 zł
Net price: 61,79 zł
Sodium carbonate, anhydrous 99.5% Loba AR Op.500 g
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Sodium carbonate, anhydrous 99.5% Loba extra pure op.500 g
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Sodium hydroxide (caustic soda) PureLand chda microgranules op.1kg HDPE bottle
Availability: Temporarily unavailable
37,81 zł
Net price: 30,74 zł
SODIUM HYDROXIDE 1 MOL/L titrated solution OP. 1L PureLand
Availability: na wyczerpaniu
Dispatched within: 7 days
Most developing agents only work well at elevated pH. Alkalis raise the solution pH, converting the developer into its more reactive form and speeding up electron transfer to silver halide. Think of alkali as the “throttle”: higher pH = faster development, higher effective film speed, and often higher contrast.
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Carbonates (sodium/potassium carbonate) are common because they’re strong enough for normal development and provide good buffering.
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Hydroxides are very strong and can produce “high-energy” developers — fast, punchy, but easier to overdevelop or fog.
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Borax/metaborate are gentler, used when you want smoother tones or lower contrast.