General Coupon Exclusions: 

Not valid on previous orders, other promotions, items currently on sale, gift certificates or the following manufacturers:

Aqua Illumination

Bubble King/Red Dragon/Royal Exclusiv

Coral Vue/Reef Octopus

Ecotech Marine

Elos

Giesemann

Korallen Zucht/Zeovit

Maxspect

My Reef Creations (MRC)

Neptune Systems