Substrate advice - Tropica Aquarium Soil vs Fluval Plant & Shrimps Stratum

[Goncalo Oliveira]

hello guys,
so i went today to the aquarium design centre and bought Tropica Aquarium Soil 3kg for my new 50litre aquarium. I did the setup and think I need more substrate so i ordered on amazon the Fluval Plant & Shrimps Stratum 4kg. Should i put the fluval on top of the tropica, mix them or put the fluval on the bottom?
thanks

 

[Matt @ ScapeEasy]

I would personally mix them but it won't really matter...