It seems that the calculator (https://barrreport.com/pages/planted-tank-nutrient-dosing-calculator/) has a problem with the CaSO4 dosage. My aquarium has a volume of 270 liters.
Indeed for a solution of 1000 ml with a daily dose of 10 ml, the calculator offers me a dosage of 1,739.84 grams which...
This is regarding reminerlising my 100L tank.
I select CASO4.2H2O for dose to reach target option.
It shows 21g to reach 50ppm which is ok.
But 7 DGH for just 50ppm of only calcium?
Or is Rotala butterfly calculator also adding up 40ppm of sulphur which is shown in the results to calculate...