Hi all I have some newbie questions here and need your advice.
I have a 4ft planted tank with pressurised CO2 and eheim cannister.
I have this green film thingy on the surface of the water. But the water below it (inside the tank) is crystal clear.
My questions:
1. Is this green thingy harmful ? Does it do anything bad to the water, plants or fish ?
2. What did I do wrong that cause this ?
3. How to encounter this problem ? Short term, long term and hopefully forever ?
Thanks in advance.
I have a 4ft planted tank with pressurised CO2 and eheim cannister.
I have this green film thingy on the surface of the water. But the water below it (inside the tank) is crystal clear.
My questions:
1. Is this green thingy harmful ? Does it do anything bad to the water, plants or fish ?
2. What did I do wrong that cause this ?
3. How to encounter this problem ? Short term, long term and hopefully forever ?
Thanks in advance.