Wpmlady Semillas de hierba para acuario (hierba de hoja pequeña)Easy to grow, no need of CO2, nor strong light. Temperature should not be too low, Add water daily to keep the temperature in the fish tank at around 28(82). Each bag can plant 30x30cm tank Seeds can grow in soil, sand and tiny gravel. Just sprinkle the seeds evenly on the soil,Do not cover the seed with mud. Normally 5 7 days sprout, 15 days landscape finished Plants have the ability to convert carbon dioxide into much needed oxygen that fish and