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http://revach.net/ask/article.php?id=547 It seems that the rainbow bracha is for a very specific thing (which, mind you, took place over 1600 years after maaseh vereishit) so it doesn't get covered by the other standard nature brachot.

Also, in the book Shaar HaAyin by Rabbi Eliyahu Ariel, in Chapter 12 footnote 1 he quotes Rabbi Chaim Kanievsky (sp?) that the blessing does not work even post facto and one would need to still recite the appropriate blessing.

http://revach.net/ask/article.php?id=547 It seems that the rainbow bracha is for a very specific thing (which, mind you, took place over 1600 years after maaseh vereishit) so it doesn't get covered by the other standard nature brachot.

http://revach.net/ask/article.php?id=547 It seems that the rainbow bracha is for a very specific thing (which, mind you, took place over 1600 years after maaseh vereishit) so it doesn't get covered by the other standard nature brachot.

Also, in the book Shaar HaAyin by Rabbi Eliyahu Ariel, in Chapter 12 footnote 1 he quotes Rabbi Chaim Kanievsky (sp?) that the blessing does not work even post facto and one would need to still recite the appropriate blessing.

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source | link

http://revach.net/ask/article.php?id=547 It seems that the rainbow bracha is for a very specific thing (which, mind you, took place over 1600 years after maaseh vereishit) so it doesn't get covered by the other standard nature brachot.