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

and the red and green water plants are also excellent

Unlike stitched seams

Good growth of plants without Co2 supply

If you have chosen for the lower resolution multiply the calculated result by 2

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