Continuing the water parameters story: 14Apr: At night, PWC (Patrial Water Change) of 40L 16Apr: Alk 7.4 dKH Ca 500 ppm Mg 850 ppm Added 45 ml of Eco Mg, last drops in the bottle... 17Apr: At night, added 1 cap of Purple Up (happen to have a more than half full bottle here) 19Apr: At night, added 10ml of Elos primeline 01.alkali (Ca, Mg and Strontium) 22Apr: Mid-day, measured and ...