Fertilized reservoir for automated watering system

I would like to move forward and install an automated watering system for my home plants that grow in growing tent.
Today I’m watering x3 times in a week, each watering is for 4liters of fertilized water.

So it’s quite a lot of work for me to prepare the bucket each time, so that is my reason to move to automated system.

Currently it is a winter time in my country, so for preparations for such system, I’ve bought:
1. An aquarium heater to keep the reservoir water in 20-27c degress
2. Air bubbler to keep the water oxygened and make the solution mixed all time.
3. Smart sensors for measuring temp, TDS, PH
4. Pump and water pipes.

Growing setup:

1. Plant: let’s keep it private – one plant in 90x90x160 tent.
2. Light: x4 COB CREE CXB3590 – 200W in total.
3. Growing medium – Coco perlite mixture.

I remained with the big question, if keeping fertilized water is allowed and if yes , on which parameters should I pay attention ?
The reservoir should be enough for one week of watering.

Thanks,