Webuse your preferred foxfarm potting soil when transplanting seedlings into larger containers. We recommend a two gallon size or larger. Websoil & soiless feeding tips: • use foxfarm ocean forest potting soil when transplanting seedlings into larger containers. Big bloom ®, grow big ® hydroponic, and tiger bloom ®. Designed to work together to support vigorous growth,. Webuse your preferred foxfarm potting soil when transplanting seedlings into larger containers. We recommend a two gallon size or larger. Webwe use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it. Use your preferred foxfarm potting soil when transplanting pure concentrates together; Always add water first. Should seedlings into larger. We want to help you maximize your garden’s potential. Choose the feeding schedule that’s right for your growing needs. Webfoxfarm has a couple of different feeding schedules — including a soil and hydroponics feeding schedule — to help you make the most of your garden’s potential.