hi, im new here,
i want to set up a tropical fish tank for my son but im having problems,
ive got all that i need just not the fish yet,
my problem is im using sand not gravel, ive washed it a number of times, ive added it to the tank then filled the tank with water, but the tanks going dirty brown, ive done this about 3 times and its all the same, its a 50l tank what am i doing wrong?
i want to set up a tropical fish tank for my son but im having problems,
ive got all that i need just not the fish yet,
my problem is im using sand not gravel, ive washed it a number of times, ive added it to the tank then filled the tank with water, but the tanks going dirty brown, ive done this about 3 times and its all the same, its a 50l tank what am i doing wrong?