dosing bottle

.... the individual projects approved today are intended to capture how to equip bottles and containers that we want to use in the foundation (founding) with a simple snap-on fitting that can be machined. We want - analogous to today's common, available in every household common care and cleaning agents of various kinds - also a water-neutral offer, free of charge - to make people to pollute less water, because we brought everything into the water will have to remove again in the water purification! So we want to know what is brought into the water - and take appropriate countermeasures .... this is a dosing bottle .... step, igs, stl