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  1. Is There A Optimal Alkalinity Level? | Reef2Reef

    Nov 11, 2017 · There is no optimal alk level for all reefs and all aquarists. There are valid reasons to maintian any alk from 7 to 11 dKH, IMO. Higher alk (say, 9-11 dKH) promotes faster coral …

  2. Pros and Cons of Alkalinity and Calcium Dosing Methods

    Dec 2, 2024 · Because of these last two points, many aquarists combine kalkwasser (for the pH boost) and CaCO3/CO2 reactors (for a big amount of alk and calcium) in high demand systems.

  3. Low alkalinity, safe way to raise it? | Reef2Reef

    Nov 21, 2023 · Figured I’ll raise it to 6 ml’s a day and try to raise the alk level .1-.2 points a day.. good plan or just keep it where it is? Or perhaps another method or strategy? Like maybe …

  4. High Alkalinity what does it really cause | Reef2Reef

    Jul 23, 2015 · Hi, What does really ahppen when you run High Alk in a tank. Understand that low alk can cause coral skeletons to melt and that affects the flesh on top but what happens if your …

  5. HOW CAN I QUICKLY LOWER ALKALINITY? | Reef2Reef

    Nov 30, 2019 · You risk burnt tips at higher alk and low nutrients, but the paleness is more likely from just the low nutrients alone. I'd personally dose nutrients or feed more and let alk slowly …

  6. Alkalinity decline without coral | Reef2Reef

    Oct 13, 2016 · Alk is consumed by many biological processes in a tank other than coral. Younger tanks can consume alk at an astonishing rate as their biology gets established. I've had young …

  7. Best alkalinity for mixed reef being sps dominant | Reef2Reef

    Feb 24, 2017 · I looking to see where everyone runs there alk / calcium in there mixed to mostly sps reefs. I use coral pro salt and my parameters are right around 10.5-11dkh and 460-480 in …

  8. Should I use All for Reef? | Reef2Reef

    Mar 5, 2025 · I’m currently only dosing Alk at 15 ml per day. The Ca and Mg are staying stable with weekly water changes. I’m using liquid Red Sea Alk but have been reading about AFR …

  9. What is Alkalinity? | Reef2Reef

    May 11, 2015 · The hydroxide alkalinity (OH– – Alk), sometimes called the caustic alkalinity, is defined by some as the total alkalinity down to the carbonate equivalence point (about pH 10.7 …

  10. What ratio should a tank use calcium to alkalinity? | Reef2Reef

    Jul 18, 2015 · It is NOT appropriate to dose AFR to make significant calcium corrections. Sorry if my post was unclear. Alk will rise far too much. A 40 ppm calcium rise will add more than 5 …