TANK SPECS:My tank is a 20 gal long. There is DHG in it that was introduced about 4 days ago. It has a 30 Aquaclear with a corner sponge filter rated for 10 gallons. Substrate is eco complete on the bottom with about 1-2 inches of regular PetSmart sand on top. Water conditions- I cannot say...
There is this Taiwanese product called "Azoo Carbon Plus":
Any experience with that? Its similar to Excel.
Is it dangerous to human beings because of the glut it contains? Do you have to be very careful while handling it?