My tank has been set up for 3 days and the water is getting cloudy/milky. I added beneficial bacteria starter on day 1. Is this a normal bacterial bloom? Should I do a water change or just wait?

I set up this tank 3 weeks ago and now I am seeing brown diatom algae on the Anubias leaves. Is this normal for a new tank? Should I reduce lighting hours or just wait it out? Currently running 8 hours of light per day.

My betta Poseidon hasn't been eating for 3 days. He's still active and his color looks fine. Water params: pH 7.0, ammonia 0, nitrite 0, nitrate 5. Should I be worried?

我的孔雀魚尾巴好像有點破損，邊緣不整齊。是被咬的還是爛尾病？水質測出來都正常。請問該怎麼處理？

新缸開了三週，玻璃和水草上都長了很多褐藻。每天光照大概 10 小時，有在餵食。請問要怎麼解決？

最近把 CO2 從 2 秒一顆調到 1 秒一顆，魚有時候會浮到水面呼吸。是不是 CO2 太高了？要怎麼判斷適當的量？