so if this is going too be over the next few days of not dosing, do we know when too start dosing again? does it has to be a few day or is 24H enough?Fixing the problem depends on what the problem is.
Here's my general recommendation for precipitation issues:
1. Stop all efforts to boost pH.
2. Stop dosing alk for a bit and let it decline.
3. Reduce pH by switching to a low pH alk mix like sodium bicarbonate, or a calcium organic such as Tropic Marin All for Reef.
4. Ensure magnesium is normal to high.
5. Keep organics and phosphate on the high side.
After a few days of not dosing alk, restart slowly, adding additives to a very high flow area so it mixes in fast.