Canister Filter Contents

[raubiy]

Eheim 2262
-blue pad
-Seachem Matrix
-blue pad
-filter floss

Eheim 2080
- ceramic
- eheim subatrat pro
-eheim Substrat pro
-filter floss
-blue pad

Eheim 2080
-ceramic
-Seachem Matrix
-Eheim substrat pro
-filter floss
-blue pad

Eheim ecco
- Seachem Matrix
-Seachem Matrix
-seachem Matrix
-blue pad
-filter floss

Eheim ecco
-ceramic
-substrat pro
-substrat pro
-blue pad
-filter floss

Eheim aqua compact
- blue pad
-substrat pro
-filter floss

That's all. I'm thinking Seachem Matrix is best product for biological filtration.
I will change all substrat pro when i need.
Only option to reduce nitrate and amonia is big water change