An online tool allows a user, such as an online merchant, to access a page of a service provider, select a format, customize funding sources and designs, and copy and paste the code to the merchant page to quickly and easily create a customized funding source graphic. An etch stop is formed on the magnetoresistive device layers, and a second layer of silicon nitride is formed on the etch stop. At least one volume is arranged separated from the damping agent chambers and from the channel connecting them and is formed between the two sealing lips. Methods specific for the apparatus of the invention for performing any of a wide variety of microanalytical or microsynthetic processes are provided. In use, growing media and plant are placed in the base.