Organic Cal-Mag OAC, Plant Supplement, 1 Gallon | Formulated with Iron and Micronutrients, For Coco Coir and Hydroponic, Corrects Deficiencies, Supports Heavy Feeding Programs

I use this product because it’s organic and I use organic nutrients It’s worked wonders for me. I will always use this. I’ve had great results zero complaints. It’s a great price and it’s a big bottle. I definitely will recommend this to all of my friends.

I have been using TPS products for years . They are one of the best plant nutrients companies around. This cal mag really works . Helps with plant strength and bud quality . Highly recommend.

It's not just your generic answer to problems growing cannabis.... it's the organic NITROGEN FREE calmag we all deserve for healthy photosynthesis and cell strength and over vigor. With zero nitrogen we run this exclusively at MattyBudz for years now, with nothing but excellent results. Our grow medium is coco coir so we needed a calmag that's clean and pure and it also happens to be organic. With zero deficiency in any growth due to calmag shortages at any stage for the least few years. I put all my new growers onto it and literally tell everyone who grows and needs a better calmag about it. Hands down there is no better calmag on the market. Thank you TPS Nutrient.

Have been feeding this to my tomato's for two seasons, and I no longer suffer from bottom rot. Also nice to have a true Organic rating, most others don't.

The plants like the nutrients and grow fast, but the chemical has a vinegar smell that is unpleasant to the user until it is mixed with water. The mix could be a little stronger concentration. I used a separate micronutrient mix that also has calcium and magnesium, so it mixes well, but if you plan on using it as a stand-alone product, you may need to use more than the instructions call for.

Plants love it. Organic.

Really helps my tomato’s to set. Some heirlooms are finicky.

good product but bad packaging mine arrived with broken cap, but not open, will use old cap