my brother brought some hairgrass for his tropical tank and he wanted me to ask you guys how to make it grow fast, bushy and how to grow it like a carpet
Bright light, co2 & a fine nutrient rich substrate like Eco-Complete or Flourite are the key. Regular use of substrate fertilizers wil also be of great benefit. Bright lights, co2 & plenty of nutrients will get it growing well & a fine substrate material will ensure it spreads into a dense carpet.
what size tank and how many watts is the lighting at?