If you would like to get in touch with me, please send an email to david [at] guppymaster.com
If you need help regarding guppies, please leave a comment on one of my posts, because I usually respond to comments much faster.
Meanwhile, you are waiting for my reply, you can learn more about me here, and please check out these popular guppy guides:
These articles will help you find answers to most of your beginner questions