Report Abuse. You should get them at 8 weeks old. That's an age where it won't be dramatic for them to be without their mother (or at least a caregiver that can take care of them 24/7) and old enough where you can start training. A lot of rescue center won't even give dogs younger than that.Silvia Â· 5 years ago. Thumbs up.eport Abuse. You should get them at 8 weeks old. That's an age where it won't be dramatic for them to be without their mother (or at least a caregiver that can take care of them 24/7) and old enough where you can start training. A lot of rescue center won't even give dogs younger than that. Silvia Â· 5 years ago.
Updated August 04, 2014. You can use a black light to detect body fluids. It's actually a good way to look for pet urine or make sure a bathroom or hotel room is really clean. Cat urine, in particular, glows very brightly under ultraviolet light. Urine glows under a black light primarily because it contains the element phosphorus.
Night Glow glow in the dark toilet seats will stay lit all night long, after a charge from any light source. Available in BLUE and GREEN glow in both ROUND and ELONGATED bowl styles.he seats will charge up with any light source (sunlight, light bulb, florescent, black light) in minutes and will continue to glow for up to 8+ hours.