Take the hassle out of multiple fertilisers with this All in One solution. Just 3 pumps per 100 litres one to two times a week. The difference between the Premium and the Shrimp Safe versions is the amount of copper – while copper is a good additive for plants it needs to be at low levels for shrimp. All in One Fertiliser **NEW** ALL-IN-ONE FERTILISER – PREMIUM LIQUID FERTILISER LCA\’s All in-One Premium Liquid Fertiliser is a super concentrated solution that supplies all the necessary micro and macro nutrients to ensure that your plants grow and develop in a healthy way. It has high concentration levels of Iron (Fe) in DTPA form which means it is specially formulated for tanks with a Ph level of up to 7.5 Full 3x per week dosing provides enough NPK and Micro nutrients for even the most demanding tanks. If you have soft water or are using RO/DI water you should also be using a GH booster to ensure proper magnesium and calcium levels. Dosage rate for 100L Tank Please shake bottle before use – very concentrated. For High Light Tank Use 3 pumps (6ml) for every 100L Repeat 3 times per week 50% weekly water change is suggested. When dosing at this rate , it is vital to have good Co2, good circulation and high light. For Low Light Tank . Use 3 pumps for every 100L Repeat 1-2 times per week 20-30% weekly water change is suggested