if the chain length you received is different to the one you ordered, we will gladly send you a new chain, which can be easily replaced by yourself with a set of pliers. many of the healing recipes would be totally fine for someone without acid problems (e.g. check and replace the batteries if necessary. also, i have volunteered to work as a teacher in a class of 15 kids. smells of smoked fish, fresh produce and well hopped beer mixed together over the sounds of people coming together to enjoy good weather, good drink, and good company. 