Seachem Flourish Excel Review

One of the first decisions that have to be made for someone planning a planted aquarium is ‘high tech’ or ‘low tech’.  These terms tend to include aspects of plant keeping including the lighting, fertilizers, selection of plants (low light plants or high light plants).  In my mind, the defining factor of a ‘high tech’ planted aquarium is adding a pressurized CO2 system.  I decided very quickly that there were many disadvantages to