Highly effective CO2 enrichment ensures optimal plant growth in your aquarium when installed within the filter return hose. Simply cut the water return hose from your external filter, moisten the diffuser membrane, attach the INLINE DIFFUSER, connect the CO2 supply hose, and set the bubble count. An integrated bubble counter allows you to monitor the CO2 levels, and water backflow protection is built in to safeguard the technical components. Enjoy a 20% reduction in CO2 usage, thanks to the exceptionally efficient diaphragm. Package includes: 1 high-performance CO2 direct diffuser ready for connection, along with a wall mount, suction cup, and screw attachment.

Comprehensive spare impeller set designed for JBL CristalProfi e external filters. Key Features: • Detach the filter head, unlock the bayonet catch on the impeller cover, remove the faulty impeller along with its axis and bearings, and install the new impeller and fresh bearings. • All-inclusive kit containing every component needed for replacement. • JBL pulling tool for impeller bearings makes it easier to replace bearings that are hard to access. • It is essential to replace the impeller along with the axis and bearings simultaneously.

For CPe: 1901,2 Quantity: 2 items

A pristine white substrate suitable for freshwater and marine aquariums, as well as aqua-terrariums. Key Features: • Extremely fine sandy material perfect for all types of aquariums: serves as a substrate for both freshwater and saltwater aquariums along with aqua-terrariums and terrariums. • Perfect for both freshwater and saltwater environments: its fine texture and density help prevent the infiltration of sludge and waste materials. • Safeguards mucous membranes from injury: the fine, rounded natural sand is gentle on delicate barbels, making it excellent for burrowing fish such as armored catfish and loaches. • Suitable for fish, invertebrates, and aquatic plants: does not release any harmful pollutants into the water.

Effortlessly and accurately track the water parameters in your aquarium. This kit identifies the optimal magnesium and calcium levels essential for robust growth in corals and calcareous red algae. Simple to operate: start with the calcium test, followed by the magnesium test; subtract the calcium test result from the magnesium test result to determine the magnesium level. Measurement capacity: the total number of tests you can perform is contingent on the calcium and magnesium concentrations. For comprehensive details and troubleshooting advice on water testing, visit the JBL website under Essentials/Aquarium or Pond. Included in the package: 1 magnesium test kit and 1 calcium test kit, featuring 5 reagents, 2 plastic cuvettes, a syringe, and a dosing spoon. Reagent refills are available for purchase separately. Expires on 30 Sep 2027

Replacement test strips for smartphone-based analysis of freshwater aquariums. Key Features: • Smartphone-enabled water analysis and diagnostics: easily and safely monitor water parameters in freshwater aquariums. Measures general hardness, carbonate hardness, pH level, nitrite, nitrate, chlorine, and CO2 levels. • Innovative water analysis method: download the ProScan app for free, dip the test strip into aquarium water, place the strip on the color chart for evaluation, and scan the chart to obtain results. • Quick diagnosis - accurate results: test results are shown as numerical values and categorized (good/medium/poor). You'll receive additional guidance for maintaining optimal conditions in freshwater aquariums and ponds. • Compatible with iPhone and iPad: requires iOS 5.0 or newer, Android 4.0 or newer, and a camera with autofocus capability.Expires on 31 May 2027

Granulated staple food for aquariums in size S, suitable for all gouramis and other labyrinth fish measuring 3-10 cm Prebiotic & sinking fish food for aquariums: special dietary fibers in the formula nourish beneficial gut bacteria, promoting healthy digestion Composed of natural raw ingredients free from artificial additives, providing a wholesome diet for vibrant aquarium fish. Validated through JBL research expeditions in tropical regions High acceptance rate among all species of labyrinth fish, thanks to premium ingredients like salmon, shrimp, and squid Enhanced with top-quality natural astaxanthin derived from krill and spirulina, which supports optimal color development in betta fish Packaging details: securely sealed, airtight, light-resistant, and recyclable tin featuring a convenient click doser for easy feeding Expires on 14 Feb 2028

This comprehensive spare impeller kit is designed specifically for JBL CristalProfi e external filters. Key Features: • Detach the filter head, unlock the bayonet catch on the impeller lid, take out the faulty impeller along with the axis and bearings, and install the new impeller with fresh bearings. • Complete set including all necessary replacement components. • The JBL pulling aid for the impeller bearing makes it easier to replace hard-to-reach bearings. • It is essential to change the impeller along with the axis and bearings simultaneously.

For CPe: 4/7/900/1,2 Quantity: 2 pieces

The Fluval EasyVac, designed with a slim profile, makes it simple to clean those tricky spots in your aquarium. Its Quick-Start priming feature allows for swift and effortless operation, while the built-in gravel guard stops any clogs from occurring. This model also boasts non-kink hosing and a unique 2-in-1 bucket clip that ensures a secure fit and makes it easy to adjust the water flow. Key Features: Quick Start Priming - engage the cleaner with a simple shaking motion while submerged Gravel guard to prevent blockages Oval tube shape is perfect for accessing hard-to-reach areas with ease 2-in-1 bucket clip guarantees secure hose attachment and provides 3 water flow options (OPEN for maximum output; REDUCED for detailed cleaning; CLOSED for temporary flow pause). Non-kink hose ensures uninterrupted water flow Suitable for all substrate types Compatible with both fresh and saltwater aquariums Included: 24 in (60 cm) oval tube 6 ft (1.8 m) hose Non-kink hose connector 2-in-1 bucket clamp Other sizes available: Fluval EasyVac Gravel Cleaner - 25 cm (10 in) Fluval EasyVac Gravel Cleaner - 37 cm (15 in) Fluval EasyVac Gravel Cleaner - 60 cm (24 in)

Flourite is a uniquely fractured, stable porous clay gravel designed specifically for natural planted aquariums. While its aesthetic is ideally suited for planted setups, it can also be utilized in any freshwater aquarium setting. Flourite performs best when used solely as a foundational substrate, though it can be combined with other types of gravel. KEY FEATURES: High-quality natural gravel for planted aquariums Supports the longevity of the aquarium SET-UP: Although Flourite comes pre-washed, being a natural product means it may accumulate dust during shipping and should be rinsed prior to use to eliminate any leftover particles. When filling the aquarium with water, do so gradually to prevent disturbing the Flourite substrate. Position a bowl in the tank and pour water directly into the bowl, allowing it to overflow gently onto the gravel bed. It’s normal for the water to appear cloudy at first. To clear up the cloudiness, utilize mechanical filtration (like filter floss). You can also use Clarity to speed up the clearing process.Expires on 13 Jan 2030

Inside the package, you will find everything required to set up a highly professional pond: the pond liner, the stream feature, the pump complete with hoses and nozzles for delightful water effects (Sicce Syncra Pond pump), along with all essential accessories and clear instructions for quickly and effortlessly creating a top-notch pond. Capacity: 400 L / 100 US gal. Dimensions: 122 x 102 x 46 cm. Pump Flow Rate: 2400 L/h

Now available in 25 KG bags, these larger pieces of the beautiful green dragon rocks are perfect for tropical aquariums and aquascaping projects.

Flourish Nitrogen is a highly concentrated (15,000 mg/L) mixture of nitrogen sources. It supplies nitrogen in both the nitrate form and the preferred ammonium form for plants. KEY FEATURES: Nitrogen booster for planted aquariums 15,000 mg/L blend of nitrogen sources Delivers nitrogen in both nitrate and ammonium forms DIRECTIONS: Beginner For every 160L (40 US gallons), apply 2.5mL (half a cap) twice a week, or adjust based on signs of nitrogen deficiency (such as stunted growth or chlorosis). If you require smaller doses, keep in mind that each cap thread equals roughly 1mL. Expert The beginner dosage increases nitrogen by an amount equivalent to 1 mg/L nitrate. This amount can facilitate roughly 4g of dry growth or about 20g (hydrated) over the course of a month, provided all other essential nutrients are available. For enhanced growth, use a proportionately larger amount. To achieve a specific nitrogen increase, follow this formula: 0.25vn=m, where v represents the tank volume in gallons, n is the desired nitrogen increase (if using a "nitrate equivalent" for "n", apply a factor of 0.05 instead of 0.25 in the formula), and m is the product volume to be used in mL. For instance, to elevate 20 gallons by 0.20 mg/L nitrogen, you would calculate: 0.25*20*0.20=1mL.Expires on 23 Jun 2031

The UVC lamp effectively purifies the water and minimizes algae growth. This is a replacement component for the Green Reset Filter 100.Expires on 30 Sep 2027