No need for it as I'm running the Lucas formula of Flora Nova bloom which has all the plants require.you use also @ chemdawg?.... i have noticed it helps in flower also..it has fermented molassas and cane sugar along with the ca and mg...
It's a calcium def.I don't see Ca/Mg deficiencies. I developed a few rusty spots on one of my veging girlies ... mine are local nute burn from droplets of 550ppm GH Flora 3-part solution. cn
im also using lucas formula fith the FNB in a 3 gallon bubble bucket and got a cal def. right as i threw her into flower i started adding magical on the last res change 7.5ml/gal and 5ml/gal when i top off, hopefully she starts to turn around cuz shes nice and bushyNo need for it as I'm running the Lucas formula of Flora Nova bloom which has all the plants require.