couple questions about coralline algae

rhino509

New member
my tank is becoming established with coralline algae.as of this far its all been the pinkish purple algae that i typically see in pictures.but i have noticed there is some green coralline algae starting to grow.(not hair algae,has the same encrusting growth pattern the pink algae has).is this type good also?
i have also noticed coralline algae starting to grow on my sump walls,do i scrape this off or just let it grow also? it also has the green type starting to grow in it.thanks.
 
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