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370 guides · Page 24 of 62
Colorful coral reef with diverse marine life in an aquarium setting.

Fishes / Getting Started

The Reefer's Guide to Keeping Nuisance Algae in Check

Every saltwater aquarist ends up fighting some form of nuisance algae at some point. Rather than treating each outbreak as a separate emergency, it helps to understand the handful of underlying princi

2 min read

Vibrant close-up of a colorful cichlid fish in an aquarium setting, showcasing its exotic pattern.

Fishes / Habitat

Oscar: A Cichlid With a Genuine Personality

The Oscar is a large, intelligent, strikingly patterned cichlid from the Amazon and Orinoco basins, often kept for its genuinely dog-like personality: Oscars learn to recognise their owners, respond t

2 min read

Underwater scene of vibrant coral reef teeming with diverse marine life in a tranquil setting.

Fishes / Getting Started

Reef Tank Water Testing: What to Check and How Often

Reef aquariums, home to fish, corals and invertebrates together, are considerably less forgiving of water chemistry drift than a freshwater fish-only tank, and testing is where most reef keeping mista

2 min read

A vibrant pink fish swims gracefully alongside lush aquatic plants in a freshwater aquarium.

Fishes / Getting Started

When and How to Use Zeolite in Your Aquarium

Zeolite is a natural mineral that absorbs ammonia directly from water, making it one of the most useful emergency tools in a keeper's kit, though it is often misunderstood and misused as a permanent f

2 min read

A vividly colorful coral reef ecosystem showcasing diverse marine life.

Fishes / Getting Started

Converting a Freshwater Aquarium into a Saltwater Aquarium

Many Indian saltwater hobbyists start out in freshwater and later want to make the switch, often using the same tank rather than buying a new one. The conversion is straightforward in principle, strip

3 min read