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1 or 2 power heads

Good monrning. I am looking for opinions on power heads. On a 36” long mixed reef tank. Is there a significant Benefit to running 2 small power heads, over one large one? The cost of 2 small units is much more than a single large one. They will be controllable, so they can be dialed up and down as needed. I doubt 1 small one will do it, but another option is to start with 1 small one and see how it does. Add another one later if and when needed.
 

MadReefer

Staff member
NJRC Member
Moderator
With one power head you need to worry about dead spots. If you are sure one can do the trick then go for it. In my 46g which is 36" I used to Korila's to ensure not dead spots.
The second benefit is if one fails at least you have the other moving water. With one if it dies you need to scramble if you don't have a backup.
 
Thanks guys. Going to go the jebao rout. Leading toward 2 4’s. At the price they are, if they last a year or 2 and fail, I’ll through it away and buy another. The tank can go a day or 2 without a power head. I can’t justify the MP 40 right now.
 

jmags080307

SPS Grow Out Winner
Thanks guys. Going to go the jebao rout. Leading toward 2 4’s. At the price they are, if they last a year or 2 and fail, I’ll through it away and buy another. The tank can go a day or 2 without a power head. I can’t justify the MP 40 right now.
I've been using the jebao powerheads for over 2 years and mine still work great. I clean them every 2 to 3 months really good and have had zero issues with them.

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njtiger24 aquariums

Officer Emeritus
Article Contributor
I have a 36g bow front and have two Jabeo RW4s in it. The nice thing about two power heads is it 'change up' the flow. I have heard corals like that.
 
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