Hi. I am a newly to the forum :).
I have a 70l freshwater tank which has/d 2 bala sharks, 2 tiger barbs, 4 scissor tails, 2 plecostemus, 2 swords. I recently bought 2 mollies and added them into the tank after 30 minutes aclimatising. I also bough 5 new plants. Tank PH is 7. The tank has been...