Help With New Nutrient Additions!

Thanks

Just wanted to let you know what you recommended is working bro here is an update lol

Hello. If I read my plant and see that, for example, magnesium is needed, I find a magnesium sulphate at shop. Is that what it needs? If so, why dont we write use "suphate" or "nitrate" etc. when we speak in terms of nutrients..?