There are a few different routes you can go as far as nutrients, but I would highly suggest Flora Series as a simple, easy to use way to get your strawberries up and growing. It is a very popular products that a lot of our customers love and have been using for a long time. You can find the pack on our website at https://www.planetnatural.com/product/flora-series-performance-pack/ as well as the feeding schedule for both recirculating and drain-to-waste options. It is optional to purchase FloraBloom, FloraGrow, and FloraMicro (the main elements to the pack) but, the others are added in for both better success and a smooth running system.
If you have further questions, feel free to call (800) 298-6656 any time between 8 a.m. to 5 p.m. Monday thru Friday and we would be happy to help!