Just for example, i click around 5 times a second so each comma would be about .2 seconds (1/5) of delay and the Global Cool Down (GCD) before any haste would be 1.5 seconds, ....soooo....


/castsequence Rejuvenation,,,,,Lifebloom,,,,,,Lifebloom,,,,,,,Li febloom (,,,,,,,Rejuvenation) remove this as it is 2 rejuv's in a row
____________1.5_________1 __1.5____1 ___1.5 ___1_____1.5
____________1.5_________2.5 _4_____ 5___ 6.5____7.5___9

with this example your Rejuvenation would be refreshed every 9 seconds or so, I think the duration is 15 seconds so you would be loosing 6 seconds of the spell.


However... I think the macro will continue to click through your commas even if you are on GCD. So what is actually happing may be something more like this

/castsequence Rejuvenation,,,,,Lifebloom,,,,,,Lifebloom,,,,,,,Li febloom
_______________1.5_________1.5_________1.5________ 1.5
_______________1.5_________3__________4.5_________ 7
and you would be re casting Rejuv after only 7 seconds and losing half the spell and your mana. You may want to just stand out of combat and click thru your macro while watching the HoTs on you tank and see when Rejuv is being refreshed.

You may want to try something more like this

/castsequence Rejuvenation,Lifebloom,,,,,,,,,,, ,,,,,,,,,, Lifebloom,,,,,,,,,, ,,,,,,,,,, Lifebloom ,,,,,,,,,, ,,,,,,,,,, Lifebloom
________________1.5______________2_____2__________ __2 __ 2____________2___2______1.5
________________1.5_____________3.5____5.5________ ___7.5_9.5___________11.5__12.5___14

Of course all the commas would need to be adjusted for your clicking speed.


Sorry for the lengthy post, I hope this helps you out.