[Replacing substrate and new aquascape]

Which substrate i must choose ?? A substrate with no ammonia ?

[Replacing substrate and new aquascape]

And which substrate should i put , because the soils leach ammonia?

[Replacing substrate and new aquascape]

Hallo
I have a 30ltr aquarium with red cheries and ember tetras and i want to change the aquascape. I have a simple black gravel ,and now i want to put new substrate (dennerle shrimp king soil and deponit mix)
How can i do this ? Can i put the shrimps and fishes somewhere with aquarium water?

[How to cycle with plants]

Hallo !!
Im gonna make a 30ltr planted shrimp aquarium with neocaridinas( maybe yellow one's) and i will use shrimp king active soil as a substrate and maybe nano deponit mix, easy plants (i will not use co2, only seachem flourish and excel) . I want a iwagumi awuascape.
I want to know how to do the cycling of the tank from day one ,for example how many water changes ,if i put flourish , does anyone know how to help me?