Best Seller | Freshwater Aquarium Plant Food, 8.7 fl. oz., 1.9 IN Packed with essential macro and micro nutrients, this plant food is like a healthy green smoothie for your aquatic flora. And if that's not enough to entice you, it also contains kelp extract, a natural source of cytokinin that promotes strong root... ... more Freshwater Aquarium Plant Food, 8.7 fl. oz., 1.9 IN Packed with essential macro and micro nutrients, this plant food is like a healthy green smoothie for your aquatic flora. And if that's not enough to entice you, it also contains kelp extract, a natural source of cytokinin that promotes strong root... Petco.com | | $8.89 go to store |