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Replacement Ballast

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.
New
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24G LED Nano Cube Ballast - MT-508-B

Replacement Ballast for 24 Gal LED Nanocube - MT-508-B
Now Only
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28G Nano Cube HQI Ballast - MT-60-RB

28 Gallon Nano Cube HQI Ballast Replacement - MT-60-RB
Now Only
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28G Nano Cube CF Ballast - MT-602-B

28 Gallon Nano Cube CF Daylight Ballast - MT-602-B
Now Only
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28G Nano Cube Intermediate LED Ballast - MT-603-B

JBJ 28 Gallon Intermediate NanoCube Replacement Daylight LED Remote Ballast (for MT-603) MT-603-B
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28G Nano Cube Professional Daylight Ballast - MT-601-14

28 Gallon LED/ PAC 108 REPLACEMENT DAYLIGHT - MT-601-14
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MT-50-RB-2 Ballast: 36W x 2 for 24 G Nano Cube

Replacement Ballast 36 Watt For 24 Gallon Nano MT-50-RB-2
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MT-40-B Ballast: 6-12G Original

Replacement Ballast: 6-12 Gallon Nano Original MT-40-B
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MT-402-RB-2 Ballast: 24W - 12 G DELUXE 2

Replacement Ballast for 12 Gallon DX Nano Cube MT-402-RB-2
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8G Nano 180 Internal Ballast - MT-302-B

8 Gallon Nano 180 - Replacement Internal Ballast - MT-302-B
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6G Nano Cube 18W Ballast - MT-30-B

JBJ 6 Gallon Nano Cube - 18 Watt - Replacement Ballast - MT-30-B
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28 LED Replacement Ballast PRO - MT-601-RB

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

 

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28G Nano Cube Internal Ballast - MT-601-15

28 Gallon Professional LED - Replacement Dawn/Dusk Ballast - MT-601-15
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28G Nano Cube Ballast Only - MT-60-LB

MT-60-LB Moonlight Ballast for MT-602/MT-603