Critter Cabana in Newberg, Or. will not only check your water they will dissect act scope your deaders. New LFS, family owned, somewhat high end. There is one guy for reps and amphs, one guy for aqua plants and fw fish, one guy and 1/2 gal for sw fishand critters, and 1and1/2 gals for mammals. I want to work there! They know what they are doing and love thier work! Thier mammals usually include chinchillas, wallabys, coatis, and maras. The last pet place I worked at was part time, East Bay Vivarium, Oakland, Ca. in 85. They really cared to, but went out of business with the 86 quake. These people will not sell to you unless they think you are doing right and give free classes once a week.