I just tested it and added some to my resevoir... Now I have to stay up and wait to see if my plant is going to fall over and die
my water is 60 ppm
1/2 tsp moab = about 200 ppms.
+ 1 tsp of floranova is about 500 ppms
so 1/4 -1/2 tsp moab plus 1 - 1.5 tsp floranova is about right. You really need a cheapie ppm meter to judge for yourself.
Remember nutrients aren't food. Light is food. Your job is to give the plant the right molecules and environment to achieve its very best. More nutes doesn't equal bigger or better buds.
My "hydro guy".. You know the old guy that grew in the 70's and hasn't read a thing since.. told me that dry kool bloom is good to use in the first week of flower because it increases bud sites.. I'm not exactly sure what that means or if it's true, but I know a lot of people use it in the last few weeks to ripen.
During the rest of flower you can use liquid Kool Bloom...
Honestly, all you really need is Floranova Veg/ Bloom and some CalMag plus good water. Everything else likely has minimal effect.