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GHL offers a variety of products for monitoring conductivity (salinity) and pH in saltwater aquariums, primarily through its ProfiLux aquarium controller system. There is no single "combo module" product name; rather, these functions are typically integrated into the main controller unit or provided via expansion cards and separate, high-quality sensors. 

GHL Conductivity & pH Solutions

The main components for GHL's measurement system are:

• ProfiLux Controllers: The central hub (e.g., ProfiLux 4) has built-in inputs for pH, conductivity, and temperature sensors, which are galvanically isolated to prevent electrical interference. The conductivity input is adjustable for either freshwater or saltwater ranges (0-100 mS).
• Expansion Cards (PLM - ProfiLux Mini): For systems needing additional inputs or specific configurations, GHL offers expansion cards. Examples include:
• PLM-CondS-pH: Provides one galvanically isolated input each for conductivity and pH.
• PLM-pH/Redox-Cond: Offers switchable inputs for either pH/Redox and conductivity sensors.
• Sensors (Electrodes): High-quality, laboratory-grade sensors with BNC connections and extra-long 3-meter cables are available for both pH and conductivity measurements. The platinum conductivity electrode is suitable for both fresh and saltwater environments.
• Calibration Fluids: GHL provides specific calibration fluids (e.g., pH 7 & 9 for saltwater, and 50 mS for conductivity) to ensure accuracy. 

Key Features

• Accuracy and Reliability: GHL systems are known for their laboratory-grade measurement accuracy and robust design.
• Galvanic Isolation: All sensors are galvanically isolated, allowing them to operate in parallel without electrical interference, a common issue in other systems.
• Comprehensive Control: The system allows users to not only monitor parameters but also set up automated actions (e.g., controlling a dosing pump or powerheads) based on the readings.
• Remote Monitoring: The ProfiLux controllers offer various connectivity options, including Wi-Fi and cloud access, allowing users to monitor their aquarium remotely via the GHL Connect app or a web browser. 

The JUWEL Eccoflow pumps are the latest generation of highly-efficient, silent circulation pumps. They stand out from the crowd due to their excellent operating quietness and low power input.

The Juwel EccoFlow 500 Pump for Aquariums has a flow rate of 500L/H and low energy consumption of 5.5 Watts. The impellers in all Eccoflow pumps are on a double bearing system and are specially tailored to the individual motor rating. This is what gives the Eccoflow pumps their extra operating quietness and low power input. JUWEL Eccoflow pumps are also suitable for use in saltwater aquariums if the ceramic axles, which are sold separately, are used. Because of the bypass flow principle, the impeller chamber is constantly and automatically cleaned. JUWEL Eccoflow pumps, as expected, meet the highest safety standards and are TÜV/GS certified.

Please consult with us prior to purchasing to ensure correct specification fit for purpose and for product availability for suitable application.

The Juwel LED Marine Lighting for Aquariums stands out because of its brightness and unique light spectrum, which mimics the light conditions of a coral reef. It is only compatible with MultiLux LED light units and is not compatible with T5 light units. It has a brilliant white light with a Kelvin temperature of 14000, promotes coral growth, and is especially well suited for saltwater aquariums.

Juwel LED Colour Lighting for Aquariums are High-performance LED tubes with stimulating, reddish light for your MultiLux LED light unit.

Features & Benefits:

• Highlights blue and red tones
• Promotes plant growth
• Up to 50% energy saving in comparison to T5
• Real glass LED tube

The energy-saving LED Colour lighting medium emphasises blue and red colours and thereby highlights the colourful splendour of the fish and plants in your aquarium.

Only suitable for MultiLux LED. Not compatible with T5 light units.
 

• Highlights red and blue tones effectively
• Ideally combinable with JUWEL LED DAY

Juwel Blue LED Lighting for Aquariums was designed to replicate the light conditions found on coral reefs at depths of up to 6 meters. It has a fascinating deep blue tone that encourages coral growth and is ideal for use with JUWEL LED Marine. The unique light spectrum stimulates coral growth in a targeted manner. It is only compatible with MultiLux LED light units and is not compatible with T5 light units.

The Hailea Air Compressor ACO-328 for Aquariums is an ideal oxygen supplier for aquariums because the air pumps use a piston mechanism rather than a rubber diaphragm. This is a sturdy, dependable, and reasonably priced design. It has a flow rate of 70L/min and uses 60W of power. The case is made of high-quality ZL 102 aluminum alloy, which allows for better heat dissipation.

Compost tea brewers, wastewater treatment, and other applications such as inflation and dusting make use of them. They can be used to oxygenate aquariums, ponds, and hydroponic systems.

The AC-Series is intended for indoor use that is either continuous or intermittent (or in a suitable enclosure outdoors). On the back of the pump, there is even an inlet connection for drawing clean air through a filter. Because it is not lubricated with oil, the compressed air is clean.

Note that they are designed for performance rather than low sound levels they would be too loud for use in a living room for example.

Every Hailea AC-Series air pump includes the following accessories; 8mm thread, 6mm barb connector, and 6mm connecting pipe. Other specifications include a max pressure of 0.03Mpa, 1.3m Cable, and a noise reading of approximately <60dB, and a weight of 2.8kg.

Size: 19.9cm x 10.8cm x 13.3cm

The Ruffwear Sun Shower Dog Jacket is the perfect jacket for venturing outside and exploring. The TailGate™ patterning and fold-up storm collar provide increased coverage over the neck, rump, and thighs to keep dogs dry in wet circumstances. The Sun Shower is a lightweight, non-insulated shell that works well as a standalone shell and layers well over an insulating mid-layer for rain protection in cooler temperatures. Colour Midnight Blue

Dimensions:

Small:        56-69 cm

Medium:   69-81 cm

Large:       81-91 cm

 The Precision Pet® ProValu 1 Door Wire Crate is the perfect tool for house training your furry friend or simply providing some refuge within your busy home. Designed with your pet's safety in mind, the ProValu 1 Door Wire Crate features a patented 5-Point Locking System that eliminates any gaps in the top, sides, and middle of the door increasing the strength and safety of the door system.

A rust-resistant electro-coat finish helps maximise the life of the crate making it perfect for indoor or outdoor use. Includes a durable, removable polypropylene pan for easy cleaning and a divider panel to adjust to crate size as your pet grows. Pet parents choose from an assortment of sizes to fit your pet's needs. No assembly required, the ProValu 1 Door Wire Crate easily folds flat for storage or transport.

Choosing the right sized kennel for your pet is crucial to making crate training a positive experience. Kennels come in all sizes, from small to giant, to accommodate most dog breeds. So, what's all the fuss about kennel sizes? Well, imagine your pet trying to stand up, turn around or sit down in a kennel that's too small for him.

The best way to select the perfect kennel size for your pup is to measure him from the top of his head to the floor, then from the tip of his nose to the base of his tail. The height of the kennel should be 7.5 - 10cm taller and longer than your pet so there's ample space to fully stand up, easily turn around and comfortably lie all the way down! Too small and your pet will be uncomfortable; too large and your pet might attempt to use the bathroom in his space.

Dimensions:

• X Small:     48 x 30 x 36cm
• Small:        61 x 45.7 x 48cm
• Medium:   76 x 48.2 x 53cm
• Large:       91 x 58 x 63.5cm
• X Large:    106.5 x 71 x 76cm
• XX Large:  121 x 76 x 81cm

Perfect for housebreaking, the Petmate® Vari Kennel® is ideal for training and travelling.

Features include tough durable construction with an easy-open squeeze latch, vents on side walls, an interior moat to keep pets dry and tie-down strap holes on the perimeter for zip-tie installation and extra security during airline travel.

Vari Kennels in sizes X-Small and Small offer a handle, a built-in compartment cover for added storage of treats or other pet needs, and the seat-belt loop is a notch in the top of the kennel so you can secure it in a car.

The Medium Vari Kennel comes with a handle but does not come with the built-in compartment. Vari Kennels in sizes Intermediate, Large & X-Large do not have a handle or built-in compartment.

The Petmate Vari Kennel is easy-to-assemble with no tools required. Includes wing nuts and bolts. For airline travel, the use of wing nuts and bolts is required. Meets most air travel requirements, please contact your airline before travelling for verification of their specific requirements. Made in the USA.

Choosing The Right Size:

Choosing the right sized kennel for your pet is crucial to making crate training a positive experience. Kennels come in all sizes, from small to giant, to accommodate most dog breeds. So, what's all the fuss about kennel sizes? Well, imagine your pet trying to stand up, turn around or sit down in a kennel that's too small for him. The best way to select the perfect kennel size for your pup is to measure him from the top of his head to the floor, then from the tip of his nose to the base of his tail. The height of the kennel should be 7.5 to 10cm taller and longer than your pet so there's ample space to fully stand up, easily turn around and comfortably lie all the way down! Too small and your pet will be uncomfortable; too large and your pet might attempt to use the bathroom in his space.

Sizes:

• X-Small: 48,3cm L x 31,3cm W x 27,4cm H
• Small: 61cm L x 42cm W x 36,8cm H
• Medium: 71cm L x 52cm W x 54,6cm H
• Intermediate: 81,8cm L x 57,2cm W x 61cm H
• Large: 91,5cm L x 63,5cm W x 68,6cm H
• X-Large: 101,5cm L x 68,6cm W x 76,2cm H

Interior Dimensions:

• X-Small: 41cm L x 30,5cm W x 22,9cm H
• Small: 54,61cm L x 38cm W x 34,3cm H
• Medium: 61,6cm L x 46,3cm W x 49,5cm H
• Intermediate: 74,9cm L x 50,2cm W x 59,7cm H
• Large: 82,5cm L x 56,5cm W x 66cm H
• X-Large: 92cm L x 62,8cm W x 73cm H

Features:

• Perfect for housebreaking, kennel training, and travel
• Tough durable construction with vents on back and side walls
• Made in the USA and assembles in minutes with no tools
• Interior moat keeps pet dry

Specifications:

Colour:

• Taupe/Black

Product weight:

• X-Small: 1,3 kg
• Small: 2,3 kg
• Medium: 4,5 kg
• Intermediate: 7,3 kg
• Large: 8,6 kg
• X-Large: 14 kg

Weight Range:

• X-Small: Up to 4,5 kg
• Small: 4,5 - 9 kg
• Medium: 11 - 13,5 kg
• Intermediate: 13,5 - 22,7 kg
• Large: 22,7 - 31,7 kg
• X-Large: 31,7 - 40,8 kg

The Juwel EasyFeed Automatic Fish Feeder for Aquariums The JUWEL automatic feeder is the perfect addition to your aquarium. Every JUWEL aquarium is already equipped for the easy assembly of this automatic feeder, making it ready for use immediately.

Features & Benefits:

• Allows up to two feed cycles per day to be programmed
• The volume of the adjustable feed container is designed for up to 60 feeds. Feed in pellet form is ideal for use in automatic feeders.
• For environments with particularly high humidity, the JUWEL automatic feeder is designed so that the drum can be ventilated using an ordinary air pump.
  The JUWEL automatic feeder is supplied with batteries.
• Incl. batteries

The JUWEL automatic feeder can be used in any aquarium. Using the right mounting support, it can be fitted particularly simply and quickly to any JUWEL aquarium.
It can be programmed for two feeding cycles a day and allows you to feed your fish at intervals of six hours.

The Back To Nature Basalt Rock-M Aquarium Ornament is a collection of realistic-looking rock modules for custom aquarium and terrarium layouts. The rocks are available in a variety of sizes and shapes, allowing you to combine them with an existing background to create a unique layout with overhangs, caves, or simply to enhance the 3D effect.

Size: 68cm x 35cm x 19cm 

The Ruffwear Front Range Dog Harness is a padded everyday dog harness that is simple to put on and wear for dogs. The harness, which comes with two leash attachment options: an aluminium V-ring cantered on the dog's back for everyday walks and reinforced front clip webbing at the dog's chest to redirect dogs who pull on the leash, is an essential piece of equipment for canines embarking on a life of adventure with their humans. The ID pocket keeps dog tags quiet and accessible, and the luminous trim and light loop help it stand out in low-light situations.

Dimensions:

XX-Small:              33-43 cm

X-Small:                43-56 cm

Small:                    56-69 cm

Medium:               69-81 cm

Large/X-Large:      81-107 cm

To measure pH with the Aquatronica Aquarium Controller System, you need two components: the Aquatronica pH Electrode (ACQ310N-PH) and the Aquatronica pH Interface (ACQ210N-PH). The pH electrode reads the value in the aquarium, and the interface processes the data for the controller. The Aquatronica pH electrode (ACQ310N-PH) or probe measures the pH value directly in the aquarium water. 

Features & Benefits:

• Function: It must be in continuous immersion to accurately measure pH.
• Lifespan: The typical lifespan of a pH probe is about 12–18 months, depending on use and maintenance.
• Replacement: The probe can be replaced separately when it no longer calibrates reliably.
• Compatibility: It connects to the pH Interface (ACQ210N-PH) via a standard BNC connector.

The SmartCat Bootsie's Corner Cat Scratcher will allow cats to scratch and remove old nail sheaths, relieve boredom or tension, warm up, exercise and and so on. For these reasons, having a sturdy scratching post for your cat is essential. The SmartCat Bootsie's Corner Cat Scratcher is made of woven sisal, which lasts far longer than coiled sisal and your furniture. This means that your cat will utilize their scratching post a lot more and will be able to scratch to their hearts' delight. 

Place the SmartCat Bootsie's Corner Cat Scratcher in a room where the cat spends a lot of time. Cats often like to stretch and scratch when they wake up from a nap. Temporarily cover the previously scratched areas with a few strips of double-sided carpet tape or clear double-sided tape strips that are designed for this purpose. This will help redirect your cat's scratching activities to the post.

Rub catnip onto the sisal material and call the cat over to the post, or scratch your nails along the surface of the material. This will attract the cat and at the same time teach him where to scratch. After your cat begins to scratch, praise him and give him a food treat.

Size: 79 x 86 x 31 cm 

The Dymax Rex 45 RGB White Light provides a balanced combination of multiple LEDs for optimal photosynthetic activity, coral growth and viewing. These lights provide full spectrum lighting plus essential actinic blue spectral wavelengths that promote and support strong coral growth as well as enhance its colour. This fixture also emits balanced light for accurate viewing of fishes and the aquatic environment in the aquarium.

Features & Benefits:

• High performance LED bulbs
• Safe for fish, corals, plants
• Ideal for freshwater
• Long lifespan
• Sleek design
  

The JUWEL Eccoflow pumps are the latest generation of highly-efficient, silent circulation pumps. They stand out from the crowd due to their excellent operating quietness and low power input.

The Juwel EccoFlow 300 Pump for Aquariums has a flow rate of 300L/H and low energy consumption of 7 Watts. The impellers in all Eccoflow pumps are on a double bearing system and are specially tailored to the individual motor rating. This is what gives the Eccoflow pumps their extra operating quietness and low power input. JUWEL Eccoflow pumps are also suitable for use in saltwater aquariums if the ceramic axles, which are sold separately, are used. Because of the bypass flow principle, the impeller chamber is constantly and automatically cleaned. JUWEL Eccoflow pumps, as expected, meet the highest safety standards and are TÜV/GS certified.

Please consult with us prior to purchasing to ensure correct specification fit for purpose and for product availability for suitable application.

The Hailea Air Compressor ACO-308 for Aquariums is an ideal oxygen supplier for aquariums because the air pumps use a piston mechanism rather than a rubber diaphragm. This is a sturdy, dependable, and reasonably priced design. It has a flow rate of 45L/min and uses 20W of power. The case is made of high-quality ZL 102 aluminum alloy, which allows for better heat dissipation.

Compost tea brewers, wastewater treatment, and other applications such as inflation and dusting make use of them. They can be used to oxygenate aquariums, ponds, and hydroponic systems.

The AC-Series is intended for indoor use that is either continuous or intermittent (or in a suitable enclosure outdoors). On the back of the pump, there is even an inlet connection for drawing clean air through a filter. Because it is not lubricated with oil, the compressed air is clean.

Note that they are designed for performance rather than low sound levels they would be too loud for use in a living room for example.

Every Hailea AC-Series air pump includes the following accessories; 8mm thread, 6mm barb connector, and 6mm connecting pipe. Other specifications include a max pressure of 0.018Mpa, 1.3m Cable, and a noise reading of approximately <60dB, and a weight of 1.2kg.

Size: 15.9cm x 9cm x 9.5cm

The Ruffwear Climate Changer Fleece Dog Pullover sweater is an instant choice  on cool-weather adventures, whether the route ahead is covered in freshly fallen leaves or a fine layer of frost. This hardware-free, warm fleece is all about simplicity. The stretch lower panel traps heat and wicks moisture away, combining with the open cap-sleeves to give hard-to-fit dogs (wide shoulders, thick chests/necks) a more comfortable fit with complete range of motion. Pullover style is lightweight and easy to pack down. Formfitting pullover style is lightweight and easy to pack down. Recycled polyester fleece is quick drying and provides warmth without bulk. Oversized collar provides added coverage. Stretch lower panel sheds water, snow, and dirt. Contoured cap sleeves capture core heat and allow full range of motion. Reflective trim for visibility in low-light conditions and light loop for attaching The Beacon™.

PLEASE NOTE: These items have been discontinued & are only available while stocks last. 30% OFF

Dimensions:

XX Small:     33 - 43 cm

X Small:       43 - 56 cm

Small:          56 - 69 cm

Medium:     69 - 81 cm

Large:         81 - 91 cm

X Large:      91 - 107 cm