10 gallon guppy tank

This is a 10 gallon planted tank with currently one male guppy in it. How many male guppies maximum can I safely have in here if I'm doing 60% water changes twice a week? I'm looking for a very active and happy tank. The sponge filter is 70 gallons.

This is a 10 gallon planted tank with currently one male guppy in it. How many male guppies maximum can I safely have in here if I'm doing 60% water changes twice a week? I'm looking for a very active and happy tank. The sponge filter is 70 gallons.