The Vitax Liquid Tomato Feed is for use on tomatoes grown indoors or outdoors. For best results apply through the growing season for healthy crops or juicy tomatoes. Apply to individual plants after reading the instructions and wear suitable protective clothing while using this product. Just one litre of high concentrate liquid fertiliser makes 60 gallons of feed.This high potash fertiliser has been specially developed for tomato plants, whether they are grown outdoors, indoors, under cover or in grow bags. Feed tomatoes in grow-bags weekly according to the pack instructions until the second truss has set, then increase the application to twice weekly. For outdoor tomatoes apply the feed every 14 days per plant, rising to every 7 days after the second truss has set. For tomatoes under cover, apply the feed when the second truss has set every 7 days.