Brs dosing pumps comes with 2 pumps and 2 bottles one for Alk one for cal.also tubing.i had them hooked up to my rkl so you will need a timer to run them.$100
I have a reef octopus hang on fuge I no longer use it comes with the fuge and the pump I will give you the light. If you use it it will definitely need a new bulb but it is falling apart and your best bet is to grab a cheap hang on from Home Depot. It had a piece break off the bottom but I re glued it and siliconed it so it is water tight with no leaks I ran it for 3 months with no issues which is why iam selling so cheap.$50