Hypotonic:

20-40g sucrose
1 litre warm water
1-1.5g salt (optional)
Sugar free / low calorie squash for flavouring (optional)

or

100 ml fruit squash
900 ml water
1-1.5g salt (optional)

or

250 ml fruit juice
750 ml water
1-1.5g salt (optional)

Isotonic:

40-80g sucrose
1 litre warm water
1-1.5g salt (optional)
Sugar free / low calorie squash for flavouring (optional)

or

200 ml fruit squash
800 ml water
1-1.5g salt (optional)

or

500 ml fruit juice
500 ml water
1-1.5g salt (optional)