Newbie

Do I need to use cal mag alongside my sensi grow a&b I'm using nft hydro setup with tapwater in the tank and LED lights

It is advised.

Isn't Sensi part of the Advanced line? I think they are one of the few hydro companies that don't recommend you use their cal/mag. They claim they make it mostly for coco grows; I think anyway. Its not a line I use but they have a ton of great info in here

It depends on the amount of calcium and magnesium in your tap water........I never have to use it.

MustGro said:

Isn't Sensi part of the Advanced line? I think they are one of the few hydro companies that don't recommend you use their cal/mag. They claim they make it mostly for coco grows; I think anyway. Its not a line I use but they have a ton of great info in here

Advanced Nutrients Magalog 2017

Advanced Nutrients - The Worlds #1 Selling Hydroponics Nutrients For Medical Marijuana And Cannabis Growers.

issuu.com

Click to expand...

Thanks very much I'll take a look.

He says on page 76 that you're Ok for cal/mag if you're using their base nutrients. He mentions it again in the later pages when he talks about coco coir. The first 100 pages are all advertising but there are some great bits of advice there too. The last section, that "PH Manifesto" thing is really good. It explains PH well, cations and anions, carbonates and bicarbonates, and it was the first place I saw cannabis mentioned along with heavy metal toxicity.
The mag is from https://www.growersunderground.com/
I was there once or twice but I don't use Advanced. It might interest you though.