Answer:
Each orb, when placed into an altar, will fill up to its maximum. So taking the Weak Blood Orb and placing it into a T5 altar will only fill your network to a maximum of 5k, assuming it's empty. Taking the Archmage Blood Orb and then placing that into your T5 altar will then go and fill your network to that orb's maximum of 10 million.
Step-by-step explanation: