Usage Cotton Tent

How many litres do I need in order to clean and impregnate a cotton tent?
We recommend the following quantities for a normal level of pollution on a standard-sized bungalow tent with a standard-thickness tent canvas.

• 1 x 2,5 litres Sprayhood & Tent Shampoo
• 1 x 1 litre Power Cleaner
• 2 x 5 litres Canvas & Cotton Protector