The Microb-Lift EZ Start Pond Kit provides you with the four essentials in order to fulfill all of your pond's bacterial needs for every season. The 1 Quart Spring/Summer Cleaner quickly breaks down and reduces the amount of dead organic waste during the spring and summer seasons, while the 1 Quart Autumn/Winter Prep quickly decomposes organic waste and matter while keeping your fish healthier during the fall and winter months. 1 Quart of PL encourages quicker fish growth while improving dissolved oxygen levels and reducing hydrogen sulfide odors. The 1 Quart of TheraP results in enhanced fish health and water precision. With this kit, you can assure that all bacterial areas are covered and taken care of in your pond all year round.