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Bud Aid

Sensi Cal Mag Xtra®

Vegetative Stage Blooming Stage Indoor / Outdoor Regular Watering Watering Systems Hydroponics Foliar Application Coco Coir Safe
Advanced Nutrients Sensi Cal-Mg Xtra 1 L

Product Variations

Product Sizes

Bud Aid

Sensi Cal Mag Xtra®

Vegetative Stage Blooming Stage Indoor / Outdoor Regular Watering Watering Systems Hydroponics Foliar Application Coco Coir Safe
Advanced Nutrients Sensi Cal Mag Xtra Grow Phase Feeding Chart
Advanced Nutrients Sensi Cal Mag Xtra Bloom Phase Feeding Chart

Grow Phase

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Bloom Phase

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Address nutrient deficiencies with the most advanced Cal-Mag system for cannabis. With a robust menu of calcium, magnesium, iron, and vitamins, Sensi Cal Mag Xtra® eliminates any guesswork in diagnosing shortages and returns your garden to a sea of lush, vibrant green.

  • Chelated calcium and magnesium for effective nutrient absorption
  • Chelated iron offers ideal conditions to prevent common nutrient lockout
  • Kelp delivers vitamins and amino acids for optimal plant performance
  • Chelated manganese and zinc promote robust yields


Nutrient Solutions:
Use 2 mL per Liter to correct deficiencies. Repeat after 1 week, if necessary.

As part of a regular feeding program: Use 2 mL per Liter. Repeat after 1 week.


Sensi Cal Mag Xtra® is specially designed for use with diverse hydroponic growing media and all continuous liquid-feed growing systems such as aeroponics, drip irrigation and emitters, NFT, flood and drain, and deep water culture.

ATTENTION: Sensi Cal Mag Xtra® is completely compatible with all pH Perfect Base Nutrients as well as with all non pH Perfect Base Nutrients and supplements and all competitors Base Nutrients and supplements.

NOTE: At Advanced Nutrients, we do not use paclobutrazol, daminozide, or any other banned plant growth regulators in our products.

Sensi Cal Mag Xtra® – Discover the Missing Ingredient No Other Cal-Mag Product Contains

Addressing nutrient deficiencies is no walk in the park. 

And if you’re like most growers, you’ve probably spent one too many hours pouring over forum posts, just to get to the bottom of your latest grow room mystery. 

We get it. Your cannabis is your lifeline . . . 

And the last thing you want is to get your hopes slashed by the first sight of unsightly yellowing leaves. 

But it gets even worse . . . 

Because not only do you have limited time to restore your crop before it grows weaker . . . 

You Can’t Be 100% Sure What’s Causing them to Deteriorate!

Let’s face it . . . 

Unless you’ve got a Ph.D. in horticulture, it can be nearly impossible to know exactly what your plants need. 

In fact, even growers with years of experience still call us to help them diagnose their most recent deficiency. 

And that’s okay . . . 

Because you shouldn’t have to be a plant doctor to fix common grow room problems! 

Now . . .

What if I told you there was a way you could stop the frantic guessing . . . 

And NEVER have to waste precious time again trying to remedy nutrient deficiencies?

Well, that’s the exact relief you can expect when you put . . . 

The Industry’s Breakthrough Cal-Mag Biostimulant to Work for your Cannabis!

It’s called Sensi Cal Mag Xtra®.

It’s the most comprehensive first aid kit designed specifically for the kinds of plants you grow . . .

And it’s the only Cal-Mag biostimulant you’ll EVER need to correct nutrient deficiencies in your crop. 

Because here’s the thing . . . 

With Sensi Cal Mag Xtra, you’re getting an abundance of calcium, magnesium and chelated iron . . . Which can do wonders for your plants. 

They ensure your root zone absorbs optimal nutrition

And they stop common nutrient deficiencies in their tracks . . . 

Transforming your plants back into the champion producers you desperately need them to be. 

But you’re also getting so much more than that.

Look, the reality is . . .  

Most Cal-Mag Biostimulants Are Designed for . . . Tomatoes!

And they lack the additional nutrients your cannabis is starving for. 

And just like you wouldn’t feed your dog fish food . . .

You shouldn’t feed your complex plants a solution made for a vegetable. 

At least, you wouldn’t be doing your crop any favors. 

In fact, if you’ve ever used a generic Cal-Mag biostimulant. . . only to watch your garden’s condition worsen over time . . . 

It could very well be another nutrient deficiency you haven’t yet discovered! 

Which is why when you use Sensi Cal Mag Xtra, you’re also getting . . . 

Valuable Micronutrients Your Plants Must Absorb If They Want a Fighting Chance!

Remember, calcium and magnesium are NOT the only nutrients your cannabis plants could be lacking. 

For starters, they  could be hungry for more iron . . . 

ESPECIALLY if you’re growing in coco coir. 

Even though it’s a fantastic growing medium, coco coir naturally binds to iron . . . 

Preventing your plant from absorbing this essential nutrient. 

Which is why we use chelated iron, which cloaks itself from the binding forces of coco coir. 

What’s more . . .

Your plants also need optimal ratios of manganese and zinc…

Or else you risk getting underdeveloped buds that leads to disappointing yields. 

Now, as you can see, even if we stopped there . . . 

Your plants would already benefit from a more robust range of nutrients than with any other Cal-Mag biostimulant. 

But delivering exceptional results is embedded in our Advanced Nutrients DNA.

And if we can provide even more support to your crop, we won’t stop at anything to engineer the perfect solution. 

Which is why . . . 

We’ve Fortified Sensi Cal Mag Xtra® with Kelp for an Added Boost of Game-Changing Benefits

An all-natural powerhouse for fueling optimal cannabis performance. 

You could have the most sophisticated nutrient lineup in the world. 

But if you don’t include kelp in your routine, you’re missing out on crucial benefits every top grower enjoys.

Benefits like . . .

  • A robust range of vitamins and minerals . . . The secret ingredients behind smooth and effective plant processes . . . That your plants could be lacking! 
  • Creating optimal conditions to strengthen the root zone . . . So your underground network has everything it needs to support heavy yields of full, potent bud

And when you put kelp, critical micronutrients, and chelated calcium and magnesium in one bottle . . . 

You’ll compensate for any deficiencies without spending hours wracking your brain for the answers. 

So, it’s easy to see why . . .

Sensi Cal Mag Xtra® is a Must-Have for the Serious Grower

And why thousands of growers across the globe make sure they always keep a bottle on their shelves.

Picture what life will look like for you when you don’t have to spend hours – or even days on end – guessing what’s wrong with your garden. 

No more frantic calls to your old mentor. No more long nights reading hundreds of forum posts about nutrient deficiencies. 

Because you’ve already got the ultimate solution. 

And at the very first sight of curling, yellow leaves . . . 

You know exactly what to give your plants to bounce back from any nutrient deficiency. 

If you’re ready to eliminate any guesswork and restore your vibrant green champion producers at the first sight of trouble, then you need to jump on this. 

Find Sensi Cal Mag Xtra today at an authorized retailer near you.

Don’t wait until you find yourself in a pinch. Do it now, and your plants will thank you. 

Your Ironclad 100% Money-Back Grower Guarantee

If for any reason you are not absolutely thrilled with the results you achieve when you use Sensi Cal Mag Xtra®, just bring the unused portion, along with your original sales receipt, back to the place of purchase within six months, and ask for your money back.

Advanced Nutrients was built by growers, for growers. Which is why we treat you the way we’d like to be treated and stand behind all of our products with our 100% Money-Back Grower Guarantee.

It’s that simple.

Features & Technical Specifications

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Nitrogen
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Potassium

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Over time, components within the nutrients settle on the bottom of the bottle. When you pour a bottle without shaking it, you can potentially be pouring out an unbalanced solution. Shaking up the nutrient bottle ensures you are pouring the right blend into your reservoir, giving your crops the nutrition they need.

Usually, it’s not a problem. But some products are incompatible with each other and can damage your plants when they’re used together. For example, bloom boosters with high PK numbers or low-grade silica products can destabilize your nutrient mix and cause nutrient lockout.

Nutrient manufacturers design their products to be used with each other. In doing so, they include specific portions of each nutrient in each product, so crops receive the right nutrition through each stage of the grow cycle. When you stick with one manufacturer, you don’t have to worry about inadvertently destabilizing your nutrient mixture. One example of why you need to stick with only one manufacturer’s products is Advanced Nutrients’ pH Perfect line. These products are designed to keep your crops’ root zone within a specific pH range. When you use them alongside products from another manufacturer, we can’t guarantee your root zone will maintain its optimal pH level.

Yes! If you’re growing with Advanced Nutrients products, you can use our easy nutrient calculator to generate the correct nutrient chart for your crops in seconds. Check out Advanced Nutrients’ nutrient calculator here. Another great resource is our library of free custom-growing recipes. Try our expert grower-tested nutrient schedules here.

You can also download our official BudLabs app to generate nutrient schedules and receive real-time notifications for specific tasks, including feeding your crops. Upgrade to BudLabs Pro to maintain profiles on an unlimited number of crops.

If you are a grower, visit this link to find the closest Advanced Nutrients Authorized Retailer. If you are a retailer, visit this link to identify our official distributors.

Our greatest passion is growing great cannabis—and helping other growers do the same. That’s why we offer complimentary cultivation support 24/7 from Monday to Friday and from 9 AM until 7 PM PST on Saturday… With the same level of advice licensed producers would pay consultants tens of thousands of dollars to unlock.
Just call 1-800-640-9605 or email support@advancednutrients.com. For Spanish-speaking growers, email spanishsupport@advancednutrients.com.

Yes! If for any reason you are not absolutely thrilled with the results you achieve when you use our products, just bring the unused portion, along with your original sales receipt, back to the place of purchase within six months, and ask for your money back. Find out more about our Grower Guarantee here.

Advanced Nutrients has spent many thousands of man-hours developing a technology that automatically balances your pH for you — putting it in the “sweet spot” and holding it there for one week.

And the technology is so “smart” that it can account for many of the aforementioned variables in your grow room. Our proprietary pH buffering agents and stabilizing mechanisms became the foundation of a new system aptly called pH Perfect® Technology. Learn all about it here.

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