hi to all you techs out there. i am new to this site and find it facination. I hve recently tried gelac nail colour from ibd but am having a fe problems. I have had cracking and chipping and one of my clients thumb nails have yellowed when wearing french. Csn anyone shed any light on these problems. and who out there can give me feedback aon all three products. My lamp is a new 36watt uv gel curing lamp so can anyone recommend any particuar lamps?