Profile: Hydro-Gardens specializes in manufacturing quality lawn sprinkler part. Our product line includes auto vents, air inflation fans, injectors, carbon dioxide generator, carbon dioxide monitor, caterpiller control and chemical injector. Our products are available in a wide range of sizes and shapes. Our feeder fertilizer infector is designed to permit multiple pump heads to be controlled by one control unit. Our plant clips are used to support the weight of the plant when they start to get to their mature size.