ARKA pH/TDS/EC meter

Bio-CO₂ fertilizer system for freshwater aquariums up to 60/80 liters of water. The Carbo Bio Start 60/80 organic CO₂ fertilizer system reliably supplies freshwater aquariums up to 60/80 liters with essential CO₂. It is ready for use in just a few simple steps and CO₂ production starts after just 24 to 48 hours. A pressure-resistant CO₂ hose and the CO₂ mini topper developed for low operating pressure - or optionally a CO₂ injector for connection to the Dennerle Corner Filter 40 or 60 - ensure fast and efficient dissolution of the CO₂ in the aquarium water.Product features at a glanceComplete set for uniform CO₂ fertilizationWith CO₂ Constant Gel made from 100% renewable raw materialsFor healthy, strong plants and bright colorsFor at least 40 days of consistent CO₂ productionCarbon is the most important nutrient for aquarium plantsWhy Carbo Bio Start 80? Carbo Bio Start 80 offers you an environmentally friendly way of efficiently supplying your aquarium plants with CO₂. The even release promotes stable plant growth, reduces algae formation and supports a healthy ecosystem - without the need for pressurized gas cylinders or complex technology. Ideal for aquarium beginners and anyone who wants uncomplicated, natural CO₂ fertilization.

Carbo Soda M200 CO₂ fertilizer system for soda systems incl. soda CO₂ cylinderThe practical alternative to classic CO₂ fertilization systems.With the new Carbo Soda M200 CO₂ fertilization system, you can use standard soda CO₂ screw-in cylinders as a CO₂ source. The big advantage: soda cylinders are widely available and are easy to replace. A stable, even CO₂ supply is crucial for healthy plant growth and also makes it easier to maintain your aquarium. This allows you to create optimum conditions for your aquatic plants and aquarium inhabitants.Complete set for aquariums up to 200 litersSuitable for all standard soda cylindersPrecision pressure reducer made from milled aluminum$Dynamic Valve Control (DVC) for a constant CO₂ supplyIntegrated pressure gauge for displaying the working pressureSafety instructions - carbon dioxide (CO₂)EC no. 204-696-9UN 1013 Carbon dioxide / 0.425, ADR/RID, Cl. 2.2, CAS No. 124-38-9, test pressure 250 bar, pressure at room temperature approx. 60 barGas under pressure - may explode when heatedProtect from direct sunlight, store in a well-ventilated placeKeep out of reach of childrenHandle with care: do not throw, do not open by forceStore in a cool place, protect from temperatures above 50 °C, do not store in cellarsDo not inhale CO₂ - high concentrations have a suffocating effect; ventilate rooms thoroughly in case of leakage

Dennerle Plant System Set Optimal fertilization for large, planted aquariums The Dennerle Plant System Set offers the ideal nutrient supply for large, planted aquariums. With its 3-component fertilizer system, it ensures healthy growth, magnificent plants and intensely bright colors. Benefit from over 50 years of experience in aquaristics and a perfectly balanced nutrient mix for your plants. Product benefits in detail: 3-component fertilizer for large aquariums: Specially developed for larger planted aquariums, the set offers a customized, balanced nutrient supply for all plant species. High coverage thanks to highly concentrated active ingredients: Thanks to the concentrated formulation, a small amount is sufficient to achieve long-lasting results. Your plants are always optimally supplied. Magnificent plants & intensely bright colors: Boost the growth of your plants and let their colors shine in full intensity. The set ensures vibrant green and vivid colors. Complete nutrient supply: The set contains all the necessary nutrients, minerals and trace elements for healthy plants. Your plants get everything they need for optimum growth. 50 years of experience: With over 50 years of research and experience, Dennerle offers a product that is based on the natural needs of your plants. Trust in quality and innovation from the aquarium hobby. Zoo Roco Tip: For best results, we recommend regularly adjusting the dosage of the Dennerle Plant System Set to the growth of your plants and the volume of the aquarium. Make sure to distribute the fertilizer quantities evenly and maintain the aquarium regularly to ensure stable water quality. Regular water changes and the integration of CO2 can also support plant growth.A stable filter ensures that excess nutrients are removed and helps to maintain the balance in the aquarium. This gives your plants the best conditions for strong growth and intense colors

Dennerle Plant System Set Nano The optimum nutrient supply for your nano aquarium Give your nano aquarium the perfect plant growth with the Dennerle Plant System Set Nano. This innovative 3-component fertilizer system provides your aquarium plants with a precise supply of all the important nutrients, minerals and trace elements. This enables you to achieve healthy growth, vibrant colors and lasting vitality for your plants. You can rely on more than 50 years of experience in aquarium plant research. Product benefits in detail: 3-component fertilizer system: the set consists of three specially coordinated components that supply your plants with all the necessary nutrients throughout their growth cycle. This promotes healthy, even plant growth. High yield: Thanks to the highly concentrated active ingredients, the Dennerle Plant System Set Nano is extremely economical. It is sufficient to use only small quantities to achieve a long-lasting effect, which saves you long-term costs. Magnificent plant growth & bright colors: The optimal nutrient supply ensures strong plants with intense colors. Not only will your aquarium plants thrive better, but they will also develop more vibrant hues that enhance the overall look of your aquarium. Complete nutrient supply: The set contains all the essential nutrients, minerals and trace elements that your plants need for healthy growth. This ensures that your plants not only thrive in the nano aquarium, but also become more resistant to disease. Many years of expertise: With over 50 years of research in aquaristics, Dennerle offers a product based on years of knowledge and experience. Rely on quality and innovation to get the best out of your aquarium. Easy to use: The set is particularly easy to use and can be dosed quickly. This allows you to concentrate on caring for your plants while benefiting from quick and visible results. Zoo Roco tip: For the best possible results with the Dennerle Plant System Set Nano, we recommend regularly adjusting the dosage to the growth of your plants and the volume of the aquarium. Make sure to distribute the fertilizer quantities evenly and carry out regular water changes to maintain the water quality. It is also advisable to use the set in combination with a stable CO2 supply and a high-quality filter system. This ensures that your plants receive all the nutrients they need and your aquarium remains healthy and balanced.

Dennerle Care & Protect Set For healthy water, strong plants and vital fish With the Dennerle Care & Protect Set you can immediately transform tap water into aquarium water suitable for fish and plants. The set reliably protects against harmful substances and ensures that your aquarium inhabitants thrive in a healthy environment. At the same time, your plants are comprehensively supplied with all the important nutrients to promote healthy growth and intense colors. Product benefits in detail: Water that is immediately suitable for fish and plants: removes pollutants from tap water and creates optimum conditions for fish and plants. Comprehensive nutrient supply: Provides aquarium plants with all essential nutrients for strong growth and vibrant colors. Strengthens the immune system: Supplements missing vitamins and trace elements, supports the stress resistance and health of your fish. Successor to the popular Nano care set: Modernized formulation with improved effectiveness for nano and standard aquariums. Easy to use: Quick and easy to dose, ideal for beginners and experienced aquarists. Zoo Roco tip: For optimum results, add the Care & Protect Set directly to the aquarium when changing the water. Ensure regular dosing according to the aquarium size and plant population. This way, fish and plants will benefit equally from the comprehensive care and your aquarium will remain healthy, vital and visually attractive.

Superfish Undergravel Fish Tunnel Safe undergravel tunnel for your fish Create an exciting and safe environment for your fish in your aquarium with the Superfish Undergravel Fish Tunnel. This underground tunnel offers fish a protected place to hide, spawn or rest - at the same time you as the aquarium owner always have an overview of your animals and their offspring. Product features: Underground aquarium tunnel: Provides a safe retreat directly in the substrate of your aquarium. Unique breeding site: Ideal for fish that prefer spawning sites. The tunnel protects eggs and fry while you can observe them. Safe hiding place: Promotes the natural behavior of your fish, reduces stress and creates a species-appropriate environment. Transparent view: Thanks to the clever design, you can observe the fish and their spawn at all times. Easy to set up: Easy to place in the substrate, fits in freshwater and saltwater aquariums. Advantages of the Superfish Undergravel Fish Tunnel: Natural retreat: Promotes well-being and stress-free husbandry for your fish. Breeding-friendly: Safe spawning area for young fish and parents. Optimal observation: You can see fish and offspring at all times. Flexible use: Fits into different aquarium sizes and substrate types. Easy to care for: Easy to clean and durable.

DEKO Sand Waterfall Set Aquarium waterfall with a natural look Transform your aquarium into a lively underwater landscape with the DEKO Sand Waterfall Set. This set creates the illusion of a fast-flowing waterfall and provides an impressive highlight in any aquarium. Product features: Realistic waterfall look: Simulates a dynamic waterfall for a lively and natural aquarium ambience. Flexible use: Fits in with various sand and stone landscapes, easy to combine with decorations. Water circulation pump required: A separate water circulation pump is required for the waterfall effect. Robust & easy to clean: Made of durable material, easy to clean and low maintenance. Advantages of the DEKO sand waterfall set: Visual highlight: Adds depth and dynamism to your aquarium. Promotes natural water movement: Supports oxygen circulation in the water. Flexibly expandable: Can be used in different aquarium layouts. Easy to maintain: Easy to clean and durable, ideal for freshwater and saltwater aquariums. Supports aquascaping: Perfect for creative underwater landscapes with plants and stones.Size: Also suitable for nano aquariums due to its size Zoo Roco tip: This waterfall is an eye-catcher in the aquarium. We find that it is particularly effective in small aquariums. The size ratio is no longer right in large aquariums.

Dennerle KCL Lösungsmittel Ideale Pflege für pH-Elektroden Das Dennerle KCL Lösungsmittel sorgt für die langfristige Aufbewahrung und Pflege von pH-Elektroden. Mit seiner speziellen Formel garantiert es eine optimale Feuchtigkeit, um Austrocknung und Messfehler zu vermeiden. Dieses Lösungsmittel verlängert die Lebensdauer deiner pH-Sonde und sorgt für präzise und zuverlässige Messergebnisse in deinem Aquarium. Produktvorteile Schutz vor Austrocknung: Sichert eine richtige Aufbewahrung und verhindert das Austrocknen von pH-Elektroden. Längere Lebensdauer: Verlängert die Lebensdauer deiner pH-Sonde durch regelmässige Anwendung. Präzise Messergebnisse: Hilft, die Messgenauigkeit der pH-Sonde aufrechtzuerhalten. Einfache Handhabung: Direkte Anwendung für die langfristige Funktionsfähigkeit deiner pH-Elektrode. Hochwertige Qualität: Für verlässliche Ergebnisse – Dennerle steht für geprüfte Aquaristik-Qualität. AnwendungFülle das Dennerle KCL Lösungsmittel in die Aufbewahrungslösung deiner pH-Elektrode, um sie während der Lagerung feucht zu halten und die Lebensdauer zu verlängern. Die regelmässige Anwendung schützt vor Austrocknung und sorgt für präzise Messergebnisse.

Dennerle Shrimp King Sulawesi Salt Ideal water values for Sulawesi shrimps Dennerle Shrimp King Sulawesi Salt has been specially developed for keeping and breeding Sulawesi shrimps such as the cardinal shrimp (Caridina dennerli). It contains a balanced mixture of valuable minerals, trace elements and vitamins that optimally replicate the natural living conditions of shrimps from the Sulawesi lakes. Product benefits Optimum water values: Creates a slightly alkaline environment with a pH value of approx. 7.8 - 8.5 - ideal for shrimps from the Sulawesi Lakes. Rich in minerals: Promotes the health, vitality and intense coloration of the animals. Promotes growth: Supports the development of natural growth as a valuable food source for juvenile shrimp. For breeding and keeping: Ensures balanced growth and stable conditions for offspring. High quality from Dennerle: Developed by aquarium experts for near-natural water treatment. How to use Simply dissolve the salt in osmosis or distilled water until the desired water values are reached. Ideally suited for aquariums with Sulawesi shrimps or other sensitive species that prefer alkaline water conditions. Zoo Roco tip For best results, we recommend leaving the treated water to rest for a few hours before using it in the aquarium. This allows all minerals to dissolve optimally and distribute evenly in the water. Use a conductivity meter for precise control to ensure the ideal conditions for your shrimps.

Amtra Clean Procult The biological filter for a healthy aquariumAmtra Clean Procult is the perfect solution to improve the water quality in your aquarium and at the same time promote the biological balance. With its unique composition of live inoculums (MK-19 sediment) and highly active pollutant-degrading bacteria, it ensures comprehensive cleaning of the aquarium. Within a few hours, Amtra Clean Procult transforms your aquarium into a powerful biological filter that binds and breaks down organic and inorganic pollutants. Important features of Amtra Clean Procult: Bioactive basic cleaning: The unique combination of microorganisms and specially developed mineral granules provides an immediate biological cleaning of the aquarium by safely binding and breaking down pollutants in the water. Highly active pollutant-degrading bacteria: Billions of bacteria work effectively against organic and inorganic pollutants, sustainably supporting the biological balance in the aquarium. MK-19 Sediment: The specially developed mineral granules provide a huge surface area on which the bacteria can colonize. 10 g of the sediment has a binding capacity of at least a football pitch, which means extremely high efficiency in binding pollutants. Clear water conditions: The product ensures crystal clear water by eliminating cloudiness and yellowness - an excellent result with regular use. Promotion of aquarium plants: After application, the MK-19 sediment sinks to the bottom of the aquarium and serves as a valuable fertilizer for the plants without promoting algae growth, as the bound nutrients are not available to algae. Application of Amtra Clean Procult: Shake Amtra Clean Procult well and spread it evenly over the surface of the water. The product spreads as a natural turbidity throughout the aquarium. The sediment particles quickly bind pollutants. After a short time, the turbidity dissolves completely and the water becomes crystal clear. The bacteria begin to break down the bound pollutants and the sediment sinks to the bottom, where it serves as a nutrient for the plants. Advantages at a glance: Fast and effective pollutant binding Promotes clear water and improves water quality Promotes the growth of aquarium plants without supporting algae growth Easy to use and very economicalZoo Roco tip: With Amtra Clean Procult you can offer your aquarium an excellent biological cleaning process that makes the water crystal clear and at the same time improves the water quality in the long term. Please store in a cool place!

Easy-Life Humin Pro+ Easy-Life Humin Pro+ is a high-quality water conditioner for freshwater aquariums. The combination of humic acids and fulvic acids ensures natural water conditions, such as those found in tropical habitats. The product promotes vitality, colorfulness and health in fish, shrimps, snails and plants and at the same time supports the biological balance in the aquarium. Advantages at a glance Promotes intense colors and natural vitality Strengthens the immune system and increases resistance Reduces stress during fish stocking and transportation Improves breeding and rearing success Supports the biological balance in the aquarium Increases the nutrient uptake of plants No unwanted brown coloration of the water Product details Water conditioner with humic acids and fulvic acids Suitable for all freshwater aquariums Ideal for discus, angelfish, shrimps and other sensitive species Available in sizes: 250 ml, 500 ml and 1000 ml Dosage: 10-20 ml per 50 liters of aquarium water, use weekly Free from artificial additives and colorants Zoo Roco tip Use Easy-Life Humin Pro+ regularly after every water change to soothe your aquarium inhabitants and strengthen the natural protective barrier of their mucous membranes. Ideal in combination with Easy-Life Filter Medium for a stable, healthy aquarium environment. Natural care for healthy water and vital aquarium inhabitants - with Easy-Life Humin Pro+.Difference to the product Catappa:Below you will find some information to help you better understand the differences between Catappa-X and Humin Pro+: Catappa-X is made from a special blend and extract of catappa leaves. It has strong antioxidant properties that protect cells from stress and inflammation, promoting fish health. Catappa leaves also contain natural plant dyes that provide more intense and vibrant fish colors. Catappa-X therefore focuses primarily on color enhancement and health promotion. Humin Pro+ is a combination of fulvic and humic acids - organic molecules formed from the decomposition of plant and animal material found in soil, peat, streams and natural waters. Humic acids can replicate the tropical water conditions found in the natural habitat of many aquarium fish. Humin Pro+ is particularly recommended for tropical fish, while Catappa-X is suitable for all fish species. In addition, humic substances stimulate enzyme activity not only in fish, but also in plants and microorganisms in the aquarium. Aquatic plants can absorb nutrients more efficiently, while beneficial microorganisms continue to thrive - ensuring a healthy and stable ecosystem in the aquarium. Customers also searched for: Easy Life Humin Pro+, water conditioner aquarium, humic acid aquarium, fulvic acid water, freshwater aquarium care, aquarium vitality, fish health, aquarium colors, aquarium care Switzerland, water treatment aquarium, Easy Life Switzerland, aquarium additive

HOBBY ceramic diffuser 50 mm Fine oxygen release for aquariums The HOBBY ceramic diffuser 50 mm is the ideal solution for fine bubble aeration in your aquarium. The round, tubular diffuser ensures a particularly even distribution of oxygen beads, which supply the water with fresh oxygen and improve the water quality. Thanks to its special hollow inner structure, the diffuser can be operated at low pressure, making it perfect for use with small pumps. Product features: Fine bubble oxygen release: the ceramic diffuser produces very fine bubbles that evenly supply the water with oxygen. Optimized for small pumps: Thanks to its hollow structure, the diffuser can be operated at low pressure, making it ideal for small aquarium pumps. Easy to use: The tubular ceramic diffuser is uncomplicated to install and is perfect for aquariums of any size. Durable and robust: The ceramic diffuser is hard-wearing and ensures consistent performance over a long period of time. The HOBBY ceramic diffuser 50 mm is an excellent choice for anyone looking for an efficient and cost-effective solution for aerating their aquarium. With its fine bubble oxygen release and compact design, it helps to promote the life of your fish and plants and maintain the ecological balance.Zoo Roco tip: Use the HOBBY ceramic air diffuser 50 mm with small aquarium air pumps to ensure an even and fine bubble oxygen release. Make sure to clean the diffuser regularly to maintain performance and avoid deposits. The diffuser is particularly suitable for smaller aquariums where gentle aeration is required.