Sodium Sulphite (anhydrous) - 1000g
Sodium sulphite is a popular preservative in both developer and fixer formulae and when in concentrations of 30g/litre or higher, it is also a silver solvent to give finer grain in some solvent developer formulae. It is also used to make hypo clear to cut down washing times for film and paper.
1kg is provided in a resealable grip-lock bag.
Sodium sulphite is a popular preservative in both developer and fixer formulae and when in concentrations of 30g/litre or higher, it is also a silver solvent to give finer grain in some solvent developer formulae. It is also used to make hypo clear to cut down washing times for film and paper.
1kg is provided in a resealable grip-lock bag.
Sodium sulphite is a popular preservative in both developer and fixer formulae and when in concentrations of 30g/litre or higher, it is also a silver solvent to give finer grain in some solvent developer formulae. It is also used to make hypo clear to cut down washing times for film and paper.
1kg is provided in a resealable grip-lock bag.
A hypo clear formula:
Hypo Clearing Wash Aid for Film and Paper
Warm distilled water …………….. 750ml
Sodium Sulphite (anhyd.) ………… 100g
Sodium Metabisulphite …………… 25g
Cold water to make 1000ml
Dilution: 1+4 Usage: Starting point time: 5 mins (slow constant agitation)
