Oversized Postcards. Oversized postcards give you the most impact for your mailing campaigns. Our 6 x 11â and 8.5 x 11 postcard sizes represent a practical solution for companies that need all the space that postal regulations will allow. Restaurant owners, for instance, find these larger sizes invaluable for sending out their menus to local customers.
Pond Size And Depth. by Tom Burton. Once the where is decided, we need to determine size and depth. An ideal pond for the average hobbyist is between 23 and 25 feet long by 12 to 13 feet wide and 3 to 4 feet deep.
â âYou need at least 60 cm depth for frogs to hibernate successfully, and ideally 90 cm or more.â. â âA pond should ideally have a section at least 60cm deep to protect certain animals (like frogs) from weather extremes (particularly in winter).â. â âDepth profile is important.tâs commonly suggested that wildlife ponds should be at least 60 cm (about 2 feet) deep. The reason usually put forward will be something or other to do with protecting animals from cold weather (or sometimes warm). Here are some typical quotes you can find on the Internet, including some very recently published: