JBJ 28 Gallon Nano Owners Club

Just replaced one of my pumps with a maxi jet 1200 and while powerful, it is much noisier than the stock pump. Even after ensuring it wasn't touching any glass and modifying the suction cup mount so it doesn't move, it is still noisy with a clicking type sound (made this noise right when I put it in)

Is there another pump that fits that is silent while even sacrificing a little flow (I have a circulation head on order)? I'm currently just using one pump right now since it is just too loud to have in a living space.

Thanks in advance.

Depends which maxi you have. Marineland garbage. Cobalt quiet and reliable
 
After doing a bit of searching, two companies came up for JBJ 28 nano cube LED retrofits: Pro LED Supply and Rapid LED. Both quickly responded to my e-mail questions and have solutions in the $200 price range that don't require soldering.

Anyone have experience with these companies? Are the kits worthwhile upgrades from the Intermediate LED hood that came with the tank?

Thanks!

I have the Advance LED hood. ALL JBJ LED Hoods are garbage and their customer service is even worse.

The LED will go out and when it does, all the strips will go out too. And all it is, is 1 LED bulb but JBJ makes you buy the 1 strip at $70!

I have found on ebay the 3W LED bulb replacement. Search Bridgelux LED Bulb 3W or 3W watts SMD LED. Just unsolder and re-solder on and it was 10pcs for $3! You just have to make sure the intermediate LED hood uses 3W LEDs.
 
Hi, I had.my hood retrofitted from Pro Spectrum out if San Jose via ebay,
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correct doseing

correct doseing

I have been out of the reef game for over ten years now and have forgotten how much and what i should be doesing my reef tank with and the amounts . can anyone help. I have the jbj 28g nap cf quad model 602 led. I have a hammer coral and star polyps at this time and feel there not doing as well as they could be. I have just been doing 10 percent water change weekly , that new reefers swear on and adding nothing. Im used to adding calcium,buffer iodine and other trace elements photo plankton. What should i be doing with my tank? Please help.
 
I'm in the same boat, been a while since I had a tank up and running with coral in it. I just got a second hand JBJ 29 LED and created a small aquascape and it is cycling now. There seems to be lots of great info in this thread, I'm excited about starting again. What do you think, how bad does it look?
 

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Does anyone have a hood that they aren't using for the Jbj28? Lights or no lights does not matter but I would prefer no lights or broken lights. Trying to work on a project and don't want to cut up my working hood. Thanks!

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I have a hood I am not using. I took it off and switch to radion g4. (Those LED Pros were not adjustable/too much...so now it sits in my closet..)
 
I have a hood I am not using. I took it off and switch to radion g4. (Those LED Pros were not adjustable/too much...so now it sits in my closet..)
Oh man, just a bit too late. Just hacked up my working hood 2 days ago to install my new light. Crammed a Sb reef lights sprite light in there and I'm pretty happy with it so far.

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My main 5 strip led lights in the MT-601 90W led hood is not working and I think it's the ballast. All strips are not working. Does anyone know if the ballast can be fixed or a fuse?

If not, is there a replacement to be had without going the rip-off JBJ company?
 
Searched the Google and found this.

https://www.marineandreef.com/JBJ_2...MIh9DNnfnK1wIV0rXACh2A8QLOEAQYBCABEgIBnfD_BwE

There may be cheaper companies but I didn't look further

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Thanks I was really hoping to find out if its the ballast or the LED hood. Has anyone experienced this issue?

And if it's the ballast, anyway to repair or maybe cheaper ones.. Hoping not to pay close to $100.

I know my single leds would go out and I would fix them instead myself.
 
I have stock pumps running constant, 2 Koralia Nano 565 on 30 sec alt wavemaker, no skimmer, no UV. Tweaking the angle of your returns and circ pumps is key.
 
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