Kalium - Potassium is a concentrated source of potassium, which is extremely important for strong plant growth and should be kept to the correct levels. Particularly in aquariums with a lot of plants and strong lighting potassium can be a limiting growth factor. This product also promotes the assimilation and transport of nutrients and trace elements by the plants.Daily dosage:10 ml per 100 litres raises the K+-concentration with 4 ppm = 4 mg/l.For heavily planted aquaria or in areas with soft water, use Potassium weekly. Normal dosage is 10 ml per 100 litres.A 250 ml bottle will be enough to last a for approximately 5.5 months when treating a moderately planted 100 litre aquarium.For our full range, see our website at http://seasideaquatics.co.uk. For our range on eCRATER, see our shop.If there are any problems with on delivery, send a photo and a full description of the problem within 12 hours of delivery. We recommend that photos are taken on a white background, for example on a white towel or a sheet of paper.