2% sodium alginate solution, 8 ml
 

1.5% calcium chloride solution, 100 ml
 

Milk, 50 ml (not UHT)
 

Semi-quantitative diabetic glucose test strips e. g. Boehringer Mannheim Diabur-Test 5000
 

Small piece (about 1 cm² ) of nylon gauze e. g. net curtain
 

10 ml plastic syringe (without a needle)
 

4 mm diameter aquarium airline tubing to fit syringe, about 10 cm in length
 

Aquarium airline tap or adjustable laboratory tubing clip (Hoffman clip)
 

Retort stand, boss and clamp (to support enzyme column)
 

Small beakers (e. g. 100 ml ) or disposable plastic cups, 2
 

Tea strainer