Replacement Ballast

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Looking to fix a broken ballast on your JBJ Nanocube?
Check the ballast first on the units that contain fuses to see if there is a blown fuse on your JBJ original ballast.  If it is OK then it is either the bulb that needs replacing or the unit itself in most cases.

28G Nano Cube Professional Daylight Ballast - MT-601-14
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28 Gallon LED/ PAC 108 REPLACEMENT DAYLIGHT - MT-601-14

MT-50-RB-2 Ballast: 36W x 2 for 24 G Nano Cube
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Replacement Ballast 36 Watt For 24 Gallon Nano MT-50-RB-2

MT-40-B Ballast: 6-12G Original
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Replacement Ballast: 6-12 Gallon Nano Original MT-40-B

28 LED Replacement Ballast PRO - MT-601-RB
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The flickering lights in your 28 gallon LED aquarium annoying you? Maybe time to replace your ballast. MT-601-RB

28G Nano Cube Internal Ballast - MT-601-15
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28 Gallon Professional LED - Replacement Dawn/Dusk Ballast - MT-601-15

28G Nano Cube Ballast Only - MT-60-LB
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MT-60-LB Moonlight Ballast for MT-602/MT-603

28 LED Replacement Ballast INTERMEDIATE
28 intermediate ballast
The flickering lights in your 28 JBJ INTERMEDIATE TANK aquarium annoying you? Maybe time to replace your ballast.

Please see all pictures as the old style one is the second picture and replaces this one