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I've read a few botched cycle threads, and some things re. red sea reef mature specifically. I haven't found a match to my specific observations so wanted to toss out a thread in hopes someone has some good advice.
tl;dr, IMHO - Reef Mature kit can probably work for experienced reefers, but I suspect it is not meant for newbies that have A) no sump, and/or B) dry rock.
The combo of the instructions not worrying about making your skimmer go nuts, + the implied support of pre-existing corraline algae made me draw that conclusion.
Here goes:
tl;dr, IMHO - Reef Mature kit can probably work for experienced reefers, but I suspect it is not meant for newbies that have A) no sump, and/or B) dry rock.
The combo of the instructions not worrying about making your skimmer go nuts, + the implied support of pre-existing corraline algae made me draw that conclusion.
Here goes:
- 1st saltwater tank (10 years freshwater experience, but 0 saltwater other than the last 6 months of research)
- 50g (40g footprint), all HOB stuff, no sump - aquamaxx HOB 1.5 skimmer
- also tidal 55 + BRD HOB refugium (no chaeto yet)
- Started reef mature kit, which says to turn on the skimmer, however my skimmer went nuts - please see this post of minere. that specifically
- The NoPoX in the reef mature kit is the culprit
- I had to disconnect my skimmer, because it was leaking all over the place. So I was running the reef mature kit with no skimmer, and they specifically tell you turn the skimmer on (which is fine if it goes nutz in a new setup w/ sump).
- My assumption is that I was suffocating the bacteria. The combo of no skimmer + NoPoX was exhausting oxygen, and those bacteria could not grow properly.
- Reef mature day 10 is supposed to be the day you add clean up crew, but my nitrites were off the chart, >5ppm per API test kit.
- Day 14, still >5ppm nitrite - this is the day you are supposed to add the 1st fish, which I assume is intended to be the permanent food source for the ammonia eating bacteria - so day 14 still no livestock in the tank.
- Ammonia was 0 though on day 14, and the reef mature kit was no longer supplying food for those bacteria. In a moment of panicked ignorance, I added a tiny amount of ammonia chloride to the tank to bring the ammonia back to ~2ppm. I'm unclear as to whether this was a horrible mistake or not - and if so, why?
- Today I'm on day 20, and ammonia has been decreasing ~0.25-0.50 ppm every day, so I assume that is working, but nitrites are still >5ppm.
- I've also done 2x 50% water changes over the span of a week to try and get the NoPoX out of there so I can run the skimmer. Good news is the skimmer is going less and less nuts, but still eventually overflowing so I can't run it 24/7 yet.
- More salt just arrived yesterday, so today I plan to do another >50% water change to try and get more NoPoX out.

