Clean using Qiagen PCR cleanup kit with manufacturers protocol. Place spin column in collection tube. Add 5 volumes of PB buffer to mix of both labeled probes. Transfer to column, spin 11,000 rpm for 1 min. Discard flow through, add 750 ul PE buffer and spin 10,000 g 1min.
Discard flow through and respin to remove traces of buffer.
Transfer column to clean eppendorf tube. Add 50 ul EB buffer. Let sit 1 min. Spin 1 min. Speed vac to desired volume.