Algae
Hey, here are my tank specs:
My shrimps aquarium
10G freshwater
2 6400K 9w FC bulbs in clip on light fixture
Fluval stratum substrate
Aquaclear 20 HOB
Elite radiant 50w heater keeping the water around 23C (77F)
Was using a sponge filter attached to a air pump but removed it
Cleaned 1 per week...