How to Grow a Hairgrass Carpet Without CO2
A soft green carpet can completely change the look of an aquarium. The good news? You don’t always need a CO2 system to get started. With the right plant, decent lighting, a suitable substrate, and a little patience, you can build a healthy carpet without adding injected CO2. Start With the Right Plant Choosing the right grass makes the process much easier. Dwarf hairgrass is a popular choice for carpeting because its narrow leaves can spread across the foreground and create a short, grassy appearance. It may grow more slowly without CO2, but steady growth is still possible when the basic conditions are right. Plant small portions rather than placing one large clump into the substrate. Separate the plant into smaller sections and leave a little space between them. Over time, new shoots can fill those gaps and create a more natural-looking carpet. How Much Light Does Hairgrass Need? Lighting plays a big role when you are growing aquarium plants without CO2. Hairgrass needs enough ligh...