ro water

alix2.0

Active Member
you dont have to... but if you dont your much more likely to run into problems with water quality and algae.
 

mcbdz

Active Member
Originally Posted by mjrose
I was just wandering do you have too use ro water in a reef tank

Welcome to SWF
Yes, unless you have tested the TDS of your water and it is less than like 5. Very rare but possible.
 
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