The NatuReef Solution Doser solution model SF-2 may be used to dispense two solutions simultaneously and precisely. The unit operates from a 115 VAC source. The unit has a pilot lamp and on-off switch. It is in good condition and functions well and as it should. It dispenses 216 ml of solution per bottle over a 24 period, but can be connected to a ph controller to adjust the flow and timing of the Doser. It Shows some signs of wear but nothing major and works great.

Has 4 dosing pumps and Dosing pump controller. The Reefdoser can independently control up to 4 dosing pumps. The interval controller allows for adjustment of the duration of the on/off cycle for each pump over a broad time span. The Pump is in fair condition with smalls signs of wear and some dust in hard to clean places. It works as should and runs well.