Satisfaction Guaranteed: 90 day limited warranty. The goods contained in this packaging come with a ninety (90) daily limited warranty that covers defects in materials or workmanship. If at any time within 90 days of your purchase, this aquarium product proves to be defective, simply return the product to World Wide Imports Enterprises, Inc. at the address indicated below along with a brief written description of the problem and proof of purchase. World Wide Imports Enterprises, Inc. will at its sole discretion, either replace the defective goods with goods of similar capabilities, or refund the full purchase price to you. This warranty does not cover problems caused by or related to abuse, misuse, ordinary wear, failure to follow directions, or improper handling, storage, or maintenance. Manufacturer, distributor, and retailer, are not liable for any damages or loss suffered by anyone as a result of using or being unable to use the goods. Also, consequential and incidental damages are

Nutri-SeaWater can be added to existing synthetic saltwater aquariums to provide the missing natural live heterotrophic marine bacteria, natural trace elements, and natural critical nutrients needed for a healthier aquarium.For routine water changes: It is recommended to change a portion of your aquarium water (10-20% of volume) monthly with Nutri-SeaWater to restore your marine system to Nature's Ocean.For Nano reef systems: Use 100% Nutri-Seawater.For new aquarium setups: To achieve instant cycling use with Nature's Ocean Bio-Activ Live Aragonite Reef Sand to provide the perfect start.