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Why buy from ReefBum? See below 🙂
**GHL Doser 2 SA, 2.1 SA, ProfiLux 3, or ProfiLux 4 required to operate this SLAVE doser****PAB cable for connecting this SLAVE doser to a Doser 2 SA or ProfiLux is NOT included**
Thanks to the high quality technology inside the compact and modern GHL Doser 2.1, it not only provides precise and simple dosing, but it also includes many more features.
The LED illuminated GHL Logo in the housing serves as a status indicator. It displays the condition of your aquarium by displaying various colors and tells you when something requires your attention.
The GHL Doser 2.1 is available as a Standalone Unit, as well as a Slave Unit.
What’s in the box
- GHL Doser 2.1 SLAVE Unit
- 24V power supply
- 8x Plastic tubing adapters
- 1/4″ tubing not included

Why buy from ReefBum?
Number one, I have been a hobbyist for over 25 years who wrote a book on reef keeping best practices……so I can leverage this wisdom to provide expert advise on equipment purchases.
Secondly, I am the sole proprietor and employee of this company who can be contacted any day of the week to answer your questions about equipment sold on reefbum.com. Therefore, you will always deal with the same person who actually uses the equipment you buy. And if I don’t have an immediate answer I can reach out to the manufacturer to get an answer….I have direct communication pipelines with all of them.
Yes, I am a “mom & pop” shop that will not always beat pricing from the “big box” online reef stores. But think of me as your personal reef tank concierge who is always on call to help figure out a problem or just chat about reef tanks. Now that’s priceless!
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