Red offers great painkilling and relaxation effects. When you work with a red strain you may have to take a bit more of it to get the positive effects because it can be a weaker strain generally in a great deal of instances. Nonetheless, you still should take it slow. Use this type of strain whenever you have enough time to sit and relax. It is good for insomnia and relieving opiate withdrawal symptoms. Lasts for around 5 hours.