Planted Tank Guru
Join Date: Dec 2012
Location: Hot Springs Ar. 71901
Helps keep out algae in tanks/w just a bit more light than needed.
But I think most would likely label it a waste.
In a recent thread about culturing Daphnia, one reply mentioned not using
Excel in a tank that you are trying to culture the Daphnia in.
Vals and a couple of other plants are sensitive to it.
The shortest distance between any two points is a straight line...in the opposite direction...