The Dennerle fertilization set contains, E15 FerActiv, Dennerle S7 VitaMix, and Dennerle V30 Complete.
Ideal set for aquarium plant fertilization: Dennerle Perfect Plant System Set. The set contains:
E15 FerActiv White iron for rich green leaves:
S7 VitaMix contains vitamins and minerals which help vibrancy and vitality for fish and plants:
V30 Complete Special fertilizers for practical, healthy, and green Plants:
Reverse Osmosis Membrane Cartridge.
Carbon Block Water Filter reduces chlorine taste and odor.
10 micron filtration.
No release of carbon fines.
The resin replacement cartridges are easy to install and virtually hassle free. You can change the resin cartridges in less than 5 minutes. \
GAC Replacement for RO/DI unit