nitrate

a. is primarily abiotic and involves no organisms b. is from calcium-silicate weathering c. is from decomposition of abiotic material d. is from decomposition of fossil fuels e. is primariily from decomposition of plant material and nitrification i think it's E.

Or should i buy Amquel+ dont answer me "dont buy" cuz i really need one because im a busy person.... dont worry im still going to change my water if i see high levels of ammonia, nitrite and nitrate as soon as possible

Serious answers only. I'm low on resources and need to get it right the first time, i don't want to do trial and error.

Serious answers only. I'm low on resources and need to get it right the first time, i don't want to do trial and error.

Serious answers only. I'm low on resources and need to get it right the first time, i don't want to do trial and error.

Tank: 55 gallon Marine/trickle filter/protein skimmer/65 lbs of live rock/live sand/1 clown, 1 blue damsel, 1 lawnmower blenny, 1 emerald crab I just moved my tank to my new apartment and incidentally ended up throwing almost all of the water to make the move easier than trying to find enough...

Hi everyone, my long finned zebra danio in my 30L BiOrb is constantly swimming in circles. I'm pretty sure I know why, last Sunday (1 week ago) is bought these fish and one of them died in my tank; I looked quite thoroughly and thought that he must of been under the gravel so I thought it would...

used the test kits but i don't know what the norm is PLEASE HELP :D