When it comes to the growth and health of corals and other invertebrates in reef tanks, most aquarists have found the best results are acquired by dosing the aquarium with calcium, liquid vitamins and other beneficial supplements on a regular, if not daily basis. You can take the "Oops, I forgot to dose my tank", vacation concerns, and other tank maintenance worries out of performing this task by installing an automatic doser to provide a consistantly measured and timed additive dosage.
The Aqua Medic SP 3000 Automatic Dosing Pump provides accurate, reliable dosing of supplements from your container into your aquarium or sump. Precision peristaltic pump automates the dosing of trace elements, calcium, and bicarbonate solutions. The SP-3000 Dosing Pump is also great as a feed pump to a calcium reactor for precise administration of Kalkwasser. Peristaltic pump hose is made of durable Santoprene for extended life. A spare hose is included with SP-3000 Dosing Pump.
Ideal for dispensing liquid plant fertilizer into freshwater aquariums and ponds, and for automatically adding supplements and additives to marine aquariums. This battery-operated Automatic Doser / Liquidoser by Eheim is a simple to use, economical device that features electronic programming for precise dosing, 1 ml per rotation, with up to eight rotations per day, and a manual release button.
The Aqua Doser by Kent is a rather low tech, but economical, simple and easy to use gravity feed or dripline style dosing unit that requires no electricity. Constructed of heavy duty plastic, this doser is durable, and comes in various sizes by gallon capacities to meet your aquarium's needs.
The Spectrapure Litermeter is a state-of-the-art dosing pump. It features a super quiet 3 roller direct drive motor, microprocessor-control and digital thumbwheel switches for easy dose settings as well as several failsafes to prevent flooding of your sump or living room.