I have 125L tank, heavily planted. no3-5 no2-0 Nh3/4-0 Ph 6.8, regular water changes20%-25% feeding various. mini pellet, dried bloodworm, fluval vegatable flakes, dried daphnia. temp 21c
(12)- now 9 Dragon tail guppies. 3 spotted coryadora
Problem: 3 guppies slowly succumbing to vertical...