Lilypons Water Gardens guarantees satisfaction. If you are not satisfied at anytime within 10 days of your purchase, you may exchange, receive store credit or full refund of the purchase price, your choice. From day 11 to one year of purchase, exchanges or store credit only. Manufacturer guarantees offered over one year are between you the customer and the vendor. Exceptions: Fish and scavenger guarantee is limited to live arrival. Tropical plants are not guaranteed to survive the winter. Pond cleaning services and installation are subject to your approval upon completion. UV bulbs are limited to a 90 day guarantee against manufacturers defect. Other merchandise may be prorated.