Arrived at customer's house for Mini split not pushing air efficiently. On arrival customer showed me to Mini split unit. Checked underneath and fan blade was completely covered with biographs. With bio growth. Talk to customer about cleaning and customer agreed to schedule a cleaning. Also talked to the customer about UV light and customer will consider. Would like to schedule Monday around 1 PM. Would like a call Monday morning to schedule. Would like me as technician to perform work. Collected payment and signature for today's work and left. Customer happy.