n=1 | Quick Barebottom Cycle for SPS | AKA the DENADAI Method | For Fun/Tracking Only

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naterealbig

naterealbig

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Day 14: 1/7/2025
1) Important Notes: none
2) Observations: No waterborne algae bloom, and no pest algaes presenting. A day or two ago I noted a small section of tissue recession on what I believe is an A. tortuosa. Recession has stopped, and appears to be healing. Also it seems some of the specimens are becoming lighter in color. Tested NO3 (0.0, Hanna). Per @sixty_reefer 's recommendation along with the apparently lightening of some of the fragments enough NaNO3 was dosed to increase NO3 by 1.0 ppm. BTA appears to be getting smaller, which I believe (along with the lightening of the corals) may be due to the intensity of the new lighting. Along with NO3 addition and lowing both the photoperiod and lighting intensity, I hope to stop the (light) coral bleaching.
3) Parameters: Alk = 8.5 dkH (Hanna), PO4 = 0.03 (Hanna). Will continue with 5.0 ml dose of A4R. Dosed NaNO3 at a volume intended to raise NO3 by 1ppm.
4) Other Notes: none

Will post a refresh of pics (and will title "week 2"). Moving forward do a pic update each week, and a log entry every few days, or if there is a notable change or observation.
 
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naterealbig

naterealbig

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Day 15: 1/8/2025
1) Parameters: PO4 = 0.03 (Hanna), NO3 = 2.7 ppm (Hanna, HR). Dosed NaNO3 and 3NaPo4 at a volume intended to raise NO3 by 2ppm, PO4 by 0.03 ppm.
2) Other Notes: Note most recent comparison pics (see photo log) show corals seemingly lightening in color. Reduced overall Radion power to 40%. This, along with nitrate dosing should stop lightening, and will hopefully turn colors around.

Unless something exception/odd happens, I make my next post/pics on week 3.
 
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naterealbig

naterealbig

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Week 4 Update

1) Important Notes:
Coralline algae growth noted on many display surfaces.

2) Observations: Corals (in general) haven't lightened much more than originally, however there are certainly more colors visible now than before. There seems to be some type of dinoflagellate (I think) growing, but at a manageable level, and certainly not to the detriment of coral health or overall aesthetics. For the photos, the tank sides have been wiped down, but nothing scrubbed or blown off of the rocks or frag plugs. I attribute the additional algae/dino growth to. I feel strongly that monitoring and maintaining PO4 has helped the cycle along and any massive Dino outbreaks. I also believe raising and maintaining NO3 around 10 ppm has provided a bit of a buffer for corral nutrition, especially considering an error that i made by starting the photoperiod too long/strong.

If you look, you can see spots of coralline algae growing on the overflow piping and frag racks - an excellent sign. I attribute the seeding to the live sand, which was sprinkled over the rock work, along with snails, which have coralline growth on them.

3) Parameters: Alk = 8.6dkH (Hanna), PO4 = 0.18 (Hanna), NO3 = 9.4 (Hana).

4) Other Notes: none

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