The Libra dosing pump from Vertex Aquaristik is a very capable and versatile peristaltic dosing device. Within about a month, Vertex will release the Libra with the built-in touch sensitive controller and three dosing pumps which will come with either a very accurate stepping motor or a DC motor. The Llibra’s controller features some fancy … Continue reading Libra dosing pump from Vertex Aquaristik is versatile and touchscreen controlled