D-D H2OCEAN Skimmer Guardian

£59.99 Sold Out

The Skimmer Guardian uses a optical sensor with a magnetic mount. The magnetically coupled sensor makes it easy to install and adjust to the desired level on the collection cup. The sensor is mounted externally so no holes are required in the collection cup for...

Focustronic Alkatronic & Reagent Pack

£1,099.95 Sold Out

Alkatronic is an all in one product for serious reefers to automatically monitor and stabilize alkalinity for your reef system. The product works straight out of the box without the need of any other equipment. This product was originally designed by Jonas Roman from Sweden...

Focustronic Alkatronic alkalinity monitor (UK Version)

£994.95 Sold Out

Alkatronic is an all in one product for serious reefers to automatically monitor and stabilize alkalinity for your reef system. The product works straight out of the box without the need of any other equipment. This product was originally designed by Jonas Roman from Sweden...

Focustronic Alkatronic and Dosetronic Bundle

£1,759.95 Sold Out

When Dosetronic is combined with the Alkatronic, the 2 unique functions “Auto-Correction” and the “Selective-Dosing Adjustment” will auto adjust the channel(s) based on the dkh consumption of the system. This bundle includes the Alkatronic Reagent, giving you a complete setup. ALKATRONIC Alkatronic is an all...

Focustronic Mastertronic Multi Test Machine

£1,199.99 Sold Out

The Alkatronic Mastertronic lets you test multiple marine aquarium parameters. Initially built for testing Phosphate, Nitrate, Calcium, Magnesium and OLI (focustronics own unit of measure for water quality which will help tell you when your in need of a water change or to replace your...

GHL 2.1 Dosing Pump Slave

£345.95 Sold Out

If you need more dosing pump heads the GHL 2.1 Doser Slave is the perfect addition. It will connect to any GHL 2 SA, 2.1 SA, or ProfiLux 4 with a PAB cable (purchased separately). The 2.1 slave unit can be operated just like the...

GHL Dosing Pump Stand Alone

£455.95 Sold Out

The GHL 2.1 Dosing System could be one of the easiest dosing systems to set up and run. Not to mention that it has cloud connection with the free myGHL service, you can access and control your doser from anywhere in the world. Operate the 2.1...

GHL KH Direct Reagent 1000ml

£29.95 Sold Out

Keep your GHL KH Director running with reagent refills. It is important to maintain your reagent bottle to ensure that air does not get sucked up into the dosing lines during a test. GHL KH Direct Reagent 1000ml, GHL available at the best price to buy...

GHL KH Director with 2.1 4 Pump Doser Standalone

£834.95 Sold Out

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, GHL has stuck to the fundamental belief in high quality and exceptional reliability to bring you a product that is...

GHL KH Director with 2.1 4 Pump Slave Doser

£779.95 Sold Out

Supplied with Slave Doser (Profilux 4 required for operation) 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, GHL has stuck to the fundamental belief in high quality and...

GHL Magnetic Stirrer for Doser

£38.95 Sold Out

Magnetic stirrer for GHL Doser 2 Some liquids tend to settle and require stirring before being dosed into the aquarium. The new GHL Magnetic Stirrer can handle this task with ease and comfortably. At any time or immediately prior to dosing the magnetic stirrer mixes...

GHL Profilux 4 Aquarium Controller Mega Set 6e

£834.95 Sold Out

ProfiLux 4 is the most advanced member of the ProfiLux® Aquarium Controller family. Its extensive selection of on-board connections provide everything the ambitious aquarist needs to achieve success. From form to function, the ProfiLux 4 is well-equipped to manage important tasks such as lighting control,...

GHL Profilux 4 Controller

£514.95 Sold Out

ProfiLux 4 is the most advanced member of the ProfiLux® Aquarium Controller family. Its extensive selection of on-board connections provide everything the ambitious aquarist needs to achieve success. From form to function, the ProfiLux 4 is well-equipped to manage important tasks such as lighting control,...

Hanna Glass Cuvettes 731321 (4x10ml)

£30.50 Sold Out

The HI-731321 glass cuvettes are supplied as a pack of 4 and are suitable for use with the HI-7** Checkers and the HI-83200 series of multi-parameter bench photometers. Glass cuvettes are constructed of precision glass and are necessary for taking accurate measurements with photometers and...

KH Guardian Interface Module

£44.99 Sold Out

ALKALINITY INTERFACE MODULE (AIM) The Alkalinity Interface Module is used to connect the KH Guardian Alkalinity Controller/Monitor to most third party controllers. This module makes the KH Guardian or the KH Monitor versatile and almost universally compatible with most controllers including the Apex by Neptune...

KH Guardian PH Probe

£89.99 Sold Out

This is a Replacement KH Guardian PH probe from D-D The Aquarium Solution and is a high quality replacement probe.KH Guardian PH Probe, D-D The Aquarium Solution available at the best price to buy now from Marine World

KH Guardian Pro KH Monitor

£739.95 Sold Out

KH Guardian Alkalinity Monitor The KH Alkalinity Monitor is without  doubt one of the most innovative, exciting and ultimate game changing reef aquarium product of this century from the brilliant minds of Dr. Bridge. The KH Alkalinity Monitor is an all-in-one device that automatically monitors carbonate hardness values of a...

KH Guardian Pro Reagent

£34.99 Sold Out

This is the Replacement KH Guardian Reagent and is used for measuring levels of KH in your aquarium when you run out of reagent. KH Guardian Pro Reagent, D-D The Aquarium Solution available at the best price to buy now from Marine World

Neptune Optical Level Sensor (For Neptune FMM Module)

£33.95 Sold Out

This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in...

Neptune Optical Level Sensor with Magnetic Mount

£44.95 Sold Out

This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in...

Neptune PH 10.00 PH Calibration Fluid

£2.49 Sold Out

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.    Over the course of a couple months, it is common for pH...

Neptune PH 7.00 PH Calibration Fluid

£2.49 Sold Out

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.    Over the course of a couple months, it is common for pH...

Neptune Systems 1Link Cable

£24.99 Sold Out

Now you no longer need the power supply or Aquabus cable for your D?S Fluid Metering System. By having the Male x Male 4 pin cable you can now fully control the D?S pump through your apex with just a single cable through the 1Link...

Neptune Systems 1link Powe and Communication Module

£199.99 Sold Out

Neptune's answer is the 1LINK. It is called 1LINK because there is one power supply, one module (for up to three 1LINK devices), and a one-click-connection of a wire that carries not only the power for the device but two-way communication from it to your...

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