Cloudy water after changing substrate

I dont know what to say. I changed my sustrate anf 4 days after that the water turn cloudy.. and now its worst and i dont know what to do. After 2 days fish show no sign of ammonia poisioning but lost two fry

Here is frizzy stuff on the moss and in the filter. Water is grey

I need urgent help. Did 50% water change on the first day and 25% everyday since

 

Hi! Did you cleanse the substrate before putting it into the tank?

 

No but that's wasn't the main cause of the cloudiness. Usually disappear after a day or two and i used a diy polisher.

The tank went through a mini cycle after the filter crash because i disturb the bacteria that was in the old substrate.

Since than i got a canister and use seachem stability and prime to get tank back in order

 

Oh of course! I see. Well I'm happy you got it under control again.

 

ie he has gone pro

 

Still very very far from pro