I really want to get my LO an amber teething necklace, and I just Googled and came across these...just wondering if that's actually true about that colour being more effective? Just seen the Dino Daisy site and they have them on there as well, but it doesn't mention that it could have a stronger effect. Any ideas? Also, this may be a really stupid question, but can teething powder be added to a drink? LO has a bottle about 11pm and I thought adding it to the bottle would be less likely to wake him up more.