Aquadip Frozen Foods All Flavours! Quality frozen food for Tropical, Marine, Turtles, Goldfish Postage is 1.99 for all amounts of food ordered! Royal Mail 24 Delivery. Please Note if product has arrived defrosted that the item can be easily refrozen once arrived and product will be ok. Always best to refreeze the product before opening the inner packaging. PLEASE NOTE: DUE to Royal Mail industrial Action Everything is now on a tracked 24hour service Sorry about this delivery cost increase but it is the only way to make sure you get your frozen food in good order during this time.