Universal is designed to provide very simple dosing for the beginner hobbyist andcontains all 18 essential elements required by plants including macro, micro & trace, as wellas natural accelerants and bioavailable carbon sources. This helps to promote plant & rootgrowth, enhance colouration and improve overall health. This product has been developed forbeginner enthusiasts, as a result it contains no elevated nitrate or phosphate to reduce algalbloom potential when used correctly and is only recommended for lightly stocked aquariums.This product is not designed to be used in aquariums with CO 2 . Contents:– Deionised water– 18 Essential Elements required by plants– Natural accelerants & bioavailable carbon sources Instructions:Shake for 10-20 seconds before using. We recommend diluting the Universal amount thatyou are about to add into the tank with aquarium water first, then slowly adding into highflow. This product must be used in lightly stocked freshwater planted aquariums only. Dosing:Dose 1 capful of Universal per 100L (26 gal) of aquarium water every week, or as required.For easier dosing, download our FREE Quantum Aqua app! For product advice or help pleaseemail [email protected] or join our Facebook group:www.facebook.com/groups/Quantumfreshwateruk