3 months without maintenance on my customers 8ft aquarium. I was a little nervous about what to expect after such a long time but I was pleasantly surprised to see it was still doing pretty well. The most challenging part of the maintenance was the removal of all the duckweed. I ended up removing a bucket of duckweed and 1/2 bucket of Cryptocoryne Balansae. There were some nutrient deficiencies in the leaves of some of the plants but that was to be expected with the amount of duckweed, which can