Thetford Grey:

• Ideal dosage of 80ml to 100L of grey water.
• Dosage lasts up to 7 days.
• Outstanding grey water odour control.
• Equal number of dosages to the Grey Water Fresh 2L.
• Easy to handle bottle.
• Less plastic, less environmental impact.
• Reduces deposit formation in grey water tank to keep it fresher for longer.

Thetford Blue:

• Ideal dosage 50-70ml to 1-3L fresh water (dependant on temperature)
• Dosage lasts up to 5 days
• Outstanding odour control
• Fresh and pleasant pine fragrance
• Equal number of dosages to the Aqua Kem Blue 2L
• Easy to handle bottle
• Less plastic, less environmental impact
• Protects moving parts and prolongs life of toilet