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[APD] Need help checking my dosing regime/calculations
I am ready now to delve into the murky realm of PMDD and have calculated
everything out, but I (and my confidence) would really appreciate if I could
get some feedback on my dosing regime and calculations. Thank you very much
in advance and sorry for the big post!
150 L (~120L of water after gravel, wood, etc...)
2x30W fluoro (PowerGlo, and Marine White)
Heavily planted and stocked w/ fish plus shrimp
Fine gravel substrate, w/ Flourish tabs
DIY yeast CO2 (no reactor, but looking for the parts)
pH ~6.8 to 7.0
EHEIM 2213 w/ peat
NO3 ~10ppm (natural)
P ~0.5ppm (natural)
Changing 50% water every two weeks (shooting for a bit lower maintenance)
I was going to add 125ml of K2SO4 solution (30mg/ml concentration) into the
120 L tank only at every water change.
As for the Trace mix, (need checking of calculations here) the one I use has
the following values:
Ca (as carbonate) 10.0
I was going to make a concentrated working stock, calculated on giving me
0.1ppm of Fe. Thus, 18.31g of Trace Mix would be put into 500ml of water.
12ml of this solution into a 120L tank would give me 0.1 ppm in-tank Fe.
12ml into a 120L tank would also give these in-tank nutrient values:
Ca: 0.3662 ppm (9.72ppm after taking into account tap water, from 50L added-
Mg: 0.13ppm (5.96ppm after taking into account tap water, from 50L added-
Cu: 0.045ppm (is this too much to be adding weekly, especially with shrimp
in the tank?)
Now I was going to add some MgSO4 and CaCl2 to bump up the Mg to ~20ppm and
the Ca to ~30ppm.
Does this mean I do not need to add Chelated Iron, or K2PO4 or KNO3?
Are my target nutrient levels correct?
I was going to dose the Trace mix at 12ml a week, or could I split it to 6ml
twice a week? (if this is the case, would the first dose only make nutrient
levels go halfway to their target levels?)
*Phew!* I think that's all!
Any comments or suggestions would be very appreciated.
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