Santee Hydroponics is a store front in East County San Diego specializing in meeting all of your horticulture and hydroponic needs. Our managers are experienced in both indoor and outdoor growing environments. San Diego's largest Hydroponic and organic gardening store. Friendly service and the best prices in SD. At Santee Hydroponics we strive to deliver great products at excellent prices while providing top notch hassle free customer service. We have been active in the hydroponic industry for over 10 years. This knowledge and experience gives us an intimate knowledge regarding the needs and desires of our customers.