News and Blogs

Learn how to properly cycle an aquarium filter before adding fish — a quick, step-by-step trust-builder for healthy tanks in just 2 minutes. This video covers fishless cycling, establishing beneficial bacteria, monitoring ammonia.

To reduce ammonia in an aquarium, start by addressing the root causes. Avoid overstocking your tank and feed fish sparingly to prevent excess waste. Regular water changes—typically 25–30% weekly—help dilute toxins and maintain balance.

It can be highly rewarding when your fish start to have babies or lay eggs. The sight of lots of happy and healthy fish fry populating your aquarium can bring a lot of satisfaction and joy, but it can also have its pitfalls.

Master the nitrogen cycle to keep your tropical fish healthy. Learn how ammonia, nitrites and nitrates affect your aquarium ecosystem.

To resolve aquarium condensation, use a proper, snug-fitting lid to trap moisture, improve ventilation by slightly elevating the lid or using aquarium lid clips, reduce evaporation by lowering tank temperature or increasing room temperature, and manage room humidity with a dehumidifier or by opening a window.

Few people are aware that CO2 is the most important nutrient for aquatic plants. Light, water and CO2 are decisive elements in the growth process of all plants, also known as the photosynthesis. Our CO2 systems can be found by clicking here.

Tropica have produced a helpful range of factsheets to help you choose and care for your aquarium plants! To browse our range of Tropica plants and accessories please click here.

Using RO water helps maintain stable water chemistry, reducing fluctuations that can stress marine creatures. Many reef keepers mix RO water with reef-specific salt blends to create an optimal environment that closely mimics natural seawater.

When placed in the aquarium, the holiday block gradually dissolves, releasing food particles (typically small pellets) into the water over a set period, typically ranging from a few days to a couple of weeks. If you're planning to use a holiday block or an automated feeder it's a good idea to test it in advance to ensure it suits your aquarium's needs.

A pond vacuum will help keep your pond clean, and ease the pressure on your pond filter. Pond vacuums are also handy for removing built-up sludge from non-filtered and wildlife ponds.

Above are listed the top 5 best pond vacuums and hoovers for 2025, based on Real Aquatics 2024 sales and reliability data from Real Aquatics outlets on eBay, Amazon and official websites.