Groupon deal for 500 dishwasher tablets £22.99 + £1.99 postage or 1000 for £39.98 + £1.99 postage. Equiv to 5p/tablet or 4p/tablet respectively.
Each tablet is individually packed
Suitable for any regular dishwasher
Each dishwasher tablet contains detergent, rinse aid, salt and remedy against glass corrosion
Protects metal and works even at low temperatures.
A large number to store but could always split order between friends and family.