KHD + GHL Doser SA ghl
GHL KH Director
GHL KH Director

KHD & Doser 2.2 EXT Set, 4 Pumps

$899.90

This item ships directly from the manufacturer/supplier.

Automatic alkalinity testing made possible by the KH Director. This set is perfect for those who already own a GHL Doser (2.x) Standalone or ProfiLux 4 controller and wish to add automatic KH testing and fine-tuned control to their system. If you do not own a GHL Doser SA or ProfiLux 4 controller, we recommend the KHD Standalone Set instead.

Set includes:

  • KH Director
  • GHL Doser 2.2 EXT
  • KHD pH-electrode
  • Calibration fluids
  • 500ml Reagent
  • PAB cable
  • Tubing.

GHL KH Director – Monitor, maintain, and control Alkalinity with ease

The upkeep of Alkalinity is the most important aspect of reef keeping. If you’re looking to achieve exceptional coral growth, Alkalinity testing is a must!

The KH Director is the result of more than 2 years of research and development into the automated Alkalinity monitoring and control department. As always, we’ve stuck to our fundamental belief in high quality and exceptional reliability to bring you a product that is built to last. Featuring a patent pending design, KHD utilizes lab grade quality test standards to provide precise results every time. KHD is built to provide aquarium hobbyists and professionals with a safe and reliable Alkalinity control product which presents great value, functionality, and practicality.

Automated Alkalinity monitoring and control

KH Director uses a modified pH probe to provide KH values. In terms of the KH test process, the adapters on the KHD each connect to an available GHL Doser 2.2 or 2.1 dosing unit. One pump is used to feed tank water into the KHD. The second pump feeds the KHD with reagent fluid. The third pump extracts the test sample and used reagent fluid after a completed test, then dispenses it into a waste bin.

As tests occur, the 3 pumps automatically perform their assigned tasks and report the results onto a viewable data logging chart. This data is then viewable on myGHL, ProfiLux Touch, ProfiLux display, and additional external display unit.

Lab grade KH measurement accuracy

Measure your Alkalinity with lab-grade accuracy. With only a 100 mL water sample, KH Director® can provide measurement values with 0.1 ° dKH accuracy.

Extreme efficiency and cost-effectiveness

Here at GHL we understand the importance of on-going costs involved with automated KH monitoring and control. For the KH Director it was especially important to consider these costs and develop a highly-efficient, cost-effective product. A single 1000mL bottle of reagent can last for up to 3 months when testing is performed 4x per day at a KH value of 8.  The pH electrode used by the KH Director was specially designed for KH measurement and has an average lifespan of 1 – 2 years.

KH Director requirements

To operate the KH Director, you will need to have at least 3 available dosing pump motors. This KHD / Doser Set gives you everything you need to feed the KH Director.
To use this KHD / Doser EXT set, you will need either a Standalone Doser or ProfiLux controller.

  • KHD can be connected to a Standalone Doser 2.2 or 2.1

  • KHD can be connected to an EXTENSION Doser 2.2 or 2.1 and ProfiLux 3 or 4 controller

What’s included

KH Director / Doser 2.2 EXT Set includes the following:

  • KH Director
  • GHL Doser 2.2 EXT
  • 24V Power Supply
  • Power Supply splitter cable
  • 2x PAB cables (50cm / 19.6″ length)
  • pH electrode for KH Director
  • Calibration fluids pH4 and pH7
  • Reagent Solution 500ml
  • Silicone tube 5m (16.4 ft) / Flex-PVC tube for reagent solution
  • 8x Plastic tubing adapters for GHL Doser
Color

Black, White

KHD Features

  • Lab-grade KH measurement accuracy; KHD provides measurement values with 0.1 ° dKH accuracy
  • Adjustable test sample volume
  • Measurements per day adjustable
  • KH value display via host device
  • Higher accuracy and safety provided by additional valves
  • Cost-effective and safe reagent fluid
  • Automated Data-logging
  • Automated liquid supply
  • Kalk reactor control
  • Low maintenance design
  • Seamless integration w/ GHL system
  • Wi-Fi, USB and cloud access via host device
  • Alarm function
  • Large LED status indicator
  • Status LED for pumps
  • Convenient to program via our free PC software GCC
  • Or over our app, web, and cloud service, also free of charge

Professional CAN Bus System ensures reliable and interference-free networking of all network devices. The LED–backlit GHL Logo in the housing cover serves as a status indicator. Various colors show you at a glance, the condition of your system. Ample accessories available.

Doser 2.2 EXT features

Milliliter precision and automated dispensing of liquids such as

  • Fertilizers
  • Trace Elements
  • Balling Salts
  • Lime Water
  • Liquid Feed
  • Integrated evaporated water refill (Auto Top–Off)
  • Water exchange of small water volumes
  • Expandable to 16 pumps when controlled by a Doser 2.1 / 2.2 Standalone or 32 pumps when controlled by a ProfiLux Controller
  • Stainless steel motor shafts (also suitable for the dosage of Iodine)
  • Chemical resistant tubing
  • Manual operation of each individual pump is possible
  • Pumps can be retrofitted
  • Individual parts can be replaced (tubes, pump head, motor)
  • 24V stepper motors allow micro doses of 0.1 mL
  • Up to 150 doses per day
  • Easily choose dosing times via GHL Connect app or GHL Control Center.
  • Automatically: Up to 150 individual doses per day automatically distributed
  • Individually: Up to 8 doses per day individually set
  • Each pump can be set separately
  • Conveying capacity and dosing:
    8-45 ml / minute (precisely adjustable to 0.1 ml)
  • Level indicator
  • Alarm function
  • Large LED status indicator
  • Status LED for pumps
  • Convenient to program via our free PC software GCC
  • Or over our app, web, and cloud service, also free of charge

Professional CAN Bus System ensures reliable and interference-free networking of all network devices. The LED–backlit GHL Logo in the housing cover serves as a status indicator. Various colors show you at a glance, the condition of your system. Each pump can be operated manually via the push buttons on the front panel. This allows you to quickly post-dosing, deflating the tube vent or suctioning liquids.

Ample accessories available.

About KHD Reagent

Contains: inorganic acid <3%, long-term stabilizers.

Caution!

Hazard statement(s):

H290: May be corrosive to metals.
H315: Causes skin irritation.
H319: Causes severe eye irritation.
H355: May cause respiratory irritation.

Precautionary statement(s):

P102: Keep out of reach of children.
P234: Keep only in the original container.
P302: IF ON SKIN: Wash with plenty of soap and water.
P305: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact
lenses, if present and easy to do. Continue rinsing.
P390: Absorb spillage to avoid material damage.

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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