YOUR MISSION is to save time and energy maintaining your freshwater, planted aquarium (90-125 gal).
PART 1:
You've saved up and now have a total budget of $1500. What brand(s) and model(s) would you get for the following:
1. Digital monitors / testers:
a. pH
b. ORP
c. ammonia
d. phosphate
e. nitrate / nitrite
2. CO2 system
3. Filter / sump system
4. air pump / supply system
5. UV sterilizer