Nano-Tech Anaerobic-Block 2pc bandsaw and the red and green

and the red and green water plants are also excellent

Treats up to 400L / 100 Gal

Good growth of plants without Co2 supply

please note each cap thread is approximately 1 mL

Nano-Tech Anaerobic-Block 2pc bandsaw and the red and greenNano Tech Anaerobic Block Efficiently removes nitrate from your aquarium Proprietary technology specifically designed to stimulate growth of anaerobic bacteria. Anaerobic bacteria completes the nitrification cycle which breaks down nitrate into nitrogen gas, exporting nutrient From the aquarium. Completes the nitrogen cycle through denitrification, by culturing anaerobic heterotrophic bacteria (including species of the genera Paracoccus denitrificans