MANUFACTURER
Raise pH so the developing agent works fast enough.
Borax Sodium tetraborate x 5H2O - 1000g
30,00 zł
Net price: 24,39 zł
Borax Sodium tetraborate x 5H2O - 10g
7,36 zł
Net price: 5,98 zł
Borax Sodium tetraborate x 5H2O - 25 000g
400,00 zł
Net price: 325,20 zł
Borax Sodium tetraborate x 5H2O - 5000g
120,00 zł
Net price: 97,56 zł
Borax Sodium tetraborate x 5H2O - 500g
20,00 zł
Net price: 16,26 zł
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 1000g
35,87 zł
Net price: 29,16 zł
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 100g
11,96 zł
Net price: 9,72 zł
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 25 000g
500,00 zł
Net price: 406,50 zł
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 5000g
159,44 zł
Net price: 129,63 zł
Potassium Carbonate ( K2CO3 ) Anhydrous - Drying Agent - - 500g
19,93 zł
Net price: 16,20 zł
Sodium Hydroxide ( Lye ) Caustic Soda - 1000g = 1kg
29,00 zł
Net price: 23,58 zł
Sodium Hydroxide ( Lye ) Caustic Soda - 100g
9,20 zł
Net price: 7,48 zł
Sodium Hydroxide ( Lye ) Caustic Soda - 25 000g = 25kg Bag
370,00 zł
Net price: 300,81 zł
Sodium Hydroxide ( Lye ) Caustic Soda - 500g
17,94 zł
Net price: 14,59 zł
Potassium carbonate anhydrous 99.5% PureLand AR/ACS Op.1000g
228,00 zł
Net price: 185,37 zł
Potassium carbonate anhydrous 99.5% PureLand AR/ACS Op.500g
121,60 zł
Net price: 98,86 zł
PureLand anhydrous potassium carbonate, hard packed, 1000 g HDPE bottle
41,80 zł
Net price: 33,98 zł
PureLand potassium carbonate anhydrous chda op.250g HDPE bottle
17,10 zł
Net price: 13,90 zł
Soda lye, SODIUM HYDROXIDE SOLUTION 50%
130,00 zł
Net price: 105,69 zł
Sodium Carbonate - Soda ash ( Ammoniacal ) Sodium Carbonate Light
20,00 zł
Net price: 16,26 zł
SODIUM CARBONATE standard solution 0.05 MOL/L OP. 1L PureLand
76,00 zł
Net price: 61,79 zł
Sodium carbonate, anhydrous 99.5% Loba AR Op.500 g
69,35 zł
Net price: 56,38 zł
Sodium carbonate, anhydrous 99.5% Loba extra pure op.500 g
52,25 zł
Net price: 42,48 zł
Sodium hydroxide (caustic soda) PureLand chda microgranules op.1kg HDPE bottle
37,81 zł
Net price: 30,74 zł
SODIUM HYDROXIDE 1 MOL/L titrated solution OP. 1L PureLand
53,87 zł
Net price: 43,80 zł
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.