- Reaction score
- More than 10 years
Hi all, I am attempting to do a fish-less cycle using ammonium hydroxide aqueous solution. The ammonia level has been at 2-3ppm for about a month now, there has been very little reduction in ammonia, still no sign of nitrites, no increase in nitrates. It's a 55 gallon tank, I added Tetra Safe Start a couple weeks ago, did not seem to work. I'm wondering if having the LED light on (white during day, blue at night) is preventing it from cycling? Esp the blue light, I wonder if it has significant ultraviolet component that may be killing the beneficial bacteria before they can become established?