ange062
New member
Thanks! I use the BRS supplements as well so our concentrations should be very similar. Any specific reasoning that you dose over the whole 24h of a day instead of just during the lights out time. I have seen a lot of arguments for doing in when lights out (for Alk) in order to reduce the PH drop that happens each night. On the other hand I can see the advantage of dosing throughout the whole 24h in order to minimize the swing in parameters.
Well, for a few reasons:
1) diurnal shifts in pH are a natural occurrence on most reefs throughout the world and not unhealthy for corals/fish/etc
2) stable Alk is the most key parameter for SPS growth/health/color IMO
3) higher Alk values naturally buffer pH swings (I run KH at 8.5), which minimizes your diurnal swing
4) good aeration minimizes pH swing (surface turbulance + skimmer)
5) and last but not least, my dosing pump only offers even dosing intervals in factors of 24-hrs (1, 2, 3, 4, 6, 8, 12, 24). On top of that, the dosing pump accuracy is 1mL, so I have to find a spot where the dose is in even 1mL multiples at the most frequent intervals.