Help -Recipe for hummingbird feeders

Please help - I can't find my recipe for my hummingbird feeder. I am late getting it out this year - and I have been searching for my book with my "recipe" in it with just sugar and water but can't find it. I can't remember the proportion. Can anyone help??
Thanks in advance!
Genna

From a website:

Nectar Recipe

I have found that this is the best recipe for making your own nectar--I feel the birds prefer it over the various instant mixes.



1 Part Sugar
4 Parts Water
Boil 1-2 Minutes
Cool & Store In Refrigerator


Never use honey or artificial sweeteners! Honey ferments easily, and can cause sores in a hummers mouth. Artificial sweeteners have no food value. DO NOT use red food coloring in your solution, as this could be harmful to your hummers. No testing has been done on the effects dye has on birds. Most feeders have red on them and that should be enough.

Thanks - I have always just used sugar and water - no coloring. Just couldn't find or remember the ratio.....

Thanks for your help!
Genna