
Tropic Marin

JBL

JBL

JBL

JBL

Tropic Marin

JBL

JBL

JBL

JBL

JBL

JBL

JBL

Petonus

JBL

JBL

Petonus

JBL

JBL

JBL

JBL

JBL

JBL
coming soon available

Tropic Marin
coming soon available

JBL
coming soon available

Tropic Marin

JBL

JBL

JBL

JBL

Tropic Marin

JBL

JBL

JBL

JBL

JBL

JBL

JBL

Petonus

JBL

JBL

Petonus

JBL

JBL

JBL

JBL

JBL

JBL
coming soon available

Tropic Marin
coming soon available

JBL
coming soon available
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Over 20 Years of Expertise
A healthy aquarium starts with the water. With an aquarium water test, you can ensure that your fish stay healthy, your plants grow vigorously, and your tank remains in balance. Regular checks are especially important for freshwater tanks, but you’ll also find the right tests for ponds and saltwater tanks here.
The Petonus Online Shop offers a carefully curated selection of well-known brands such as JBL and Tropic Marin. This means you can be confident that you’re getting high-quality products that have proven themselves in real-world use.
Aquarium test strips are the hassle-free solution when you want to quickly check if your water parameters are in the right range. In just a few seconds, you’ll get a rough idea of the conditions and know whether action is needed.
A drop-by-drop test lets you go into detail. Drop by drop, you can measure values such as pH, KH, GH, nitrite, and nitrate—accurately and reliably. Many aquarists swear by this method because it allows them to detect important changes early on.
A water test kit, also known as a test case, combines several tests in a single box. This way, you have everything you need at your fingertips if you want to perform a comprehensive analysis on a regular basis—ideal for ambitious aquarists.
Digital water testers make the process especially convenient. Using modern technology, you can measure precisely and quickly—often with just the push of a button. This is practical for anyone who wants the highest accuracy or maintains their tank professionally.
Not everyone needs the same testing method. Here’s how to determine which test method suits your situation:
To keep your aquarium stable, you should regularly check a few key parameters. These include pH, GH, and KH, which affect water hardness and stability. Equally important is the nitrogen cycle, including nitrite, nitrate, and ammonium. Plants also benefit from monitoring iron, phosphate, and CO₂ levels. With the right tests, you can identify problems early and respond quickly.
Even though freshwater is our main focus, we offer suitable tests for other applications as well. In ponds, pH, nitrite, and nitrate are crucial for keeping fish healthy. In saltwater aquariums, calcium, magnesium, and carbonate hardness are also important. At Petonus, you’ll find dedicated solutions for these needs.
With the right water test for your aquarium, you can ensure a stable, healthy environment. Whether you’re looking for simple test strips, precise droplet tests, complete test kits, or modern digital devices—at Petonus, you’ll find certified brand-name products, a wide selection, and reliable service.
Order your water test now from the Petonus Shop and keep your aquarium in balance long-term.
Wondering which test is best suited for your aquarium? Our team is here to help. Simply use the contact form, give us a call, or stop by our specialty store in Jena. Together, we’ll find the right solution for your aquarium.