2HR Aquarist - APT Fix reef systems Black Slate also serves as

Black Slate also serves as an excellent base for mosses

This filter media is available in 3 different forms to suit all types of aquariums

08" / 90 x 25 x 18CM

Integrated mirror-panel technology bounces escaping side-emitted light back into the water column

2HR Aquarist - APT Fix reef systems Black Slate also serves asAPT Fix by 2HR Aquarist is a safe, fast acting solution for controlling common aquarium algae without harsh chemicals. Designed to tackle stubborn algae like Black Beard Algae (BBA), hair algae, string algae, fuzz, and other filamentous varieties, it allows precise spot treatment to target problem areas without affecting the entire tank. This copper free, fish safe, and shrimp safe aquarium algae treatment biodegrades after use and is ideal for