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Canna pH Plus 20% – Premium pH Up Adjuster for Optimal Nutrient Uptake

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Canna pH Plus 20% is a highly concentrated pH adjuster designed to safely raise the alkalinity of your nutrient solution. Perfect for all growing mediums, it prevents nutrient lockout and ensures your cannabis plants absorb every essential mineral. Fast-acting and economical, it's a must-have tool for maintaining a stable and healthy root zone.
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Maximize your plant's nutrient absorption instantly with Canna pH Plus 20%, a highly concentrated pH adjuster designed to raise the alkalinity of your nutrient solution. This premium formula ensures your cannabis plants stay in the perfect sweet spot for feeding, preventing deficiencies and unlocking explosive growth in any growing medium.

You've mixed the perfect nutrient cocktail, but your pH meter is flashing a dangerously low number, threatening to lock out essential minerals and stunt your crop.

Ignoring a highly acidic nutrient mix is a one-way ticket to disaster. Your plants will suffer from severe nutrient lockout, leading to yellowing leaves, stunted roots, and a frustratingly low yield, making all those expensive Cannabis fertilizers you bought completely useless.

With Canna pH Plus 20%, you can instantly correct acidic solutions and stabilize your reservoir. Just a few drops of this potent adjuster bring your pH back to the optimal range, ensuring your roots can feast on every single nutrient you provide without any stress.

Why Canna pH Plus 20% is a game-changer for your grow

When you are pushing your plants to the limit, precision is everything. Canna pH Plus 20% offers the perfect balance between high concentration and ease of use. Because it contains 20% potassium hydroxide, a little goes a very long way, making it incredibly cost-effective for both hobbyists and commercial growers.

It is especially valuable if you use reverse osmosis (RO) water or heavy bloom boosters, which are notorious for tanking your pH levels. Instead of watching your plants struggle to uptake phosphorus and calcium, this adjuster keeps your root zone in the ideal range.

Whether you are running a complex hydroponic and aeroponic systems setup or keeping it chill with soil pots, this pH Up integrates seamlessly with all Canna Nutrients and other brands, ensuring your crop reaches its full genetic potential.

Top features and benefits of Canna pH Plus 20%

  • 20% Potassium Hydroxide concentration: You get a highly potent formula, which means you use less product per feed, saving you money in the long run.
  • Fast-acting stabilization: It instantly corrects acidic water, which means you spend less time mixing and more time enjoying your grow.
  • Universal compatibility: It works flawlessly in soil, coco coir, and hydro, which means you don't need to buy different adjusters if you change your growing style.
  • Clean, residue-free formula: It dissolves completely without leaving salts behind, which means your drip lines and pumps stay clean and clog-free.
  • Optimizes nutrient uptake: It keeps your pH in the sweet spot, which means your plants absorb all macro and micronutrients efficiently, leading to massive, resinous buds.

Typical objections and clear answers

It's normal to have a few doubts before adding a strong chemical to your precious nutrient reservoir. Let's clear them up:

  • You think that a 20% concentration is too strong and might burn your plants. In reality, it just means you need to use less product, making it highly economical when diluted properly drop by drop.
  • You think that any generic pH Up from the hardware store will do the job. In reality, Canna's formula is specifically stabilized for cannabis cultivation, ensuring your pH doesn't wildly fluctuate hours after mixing.
  • You think that adjusting pH is a complicated and tedious chore. In reality, adding it slowly while stirring makes hitting that perfect 5.8 to 6.2 range incredibly easy and fast.

How to use Canna pH Plus 20% safely and effectively

Handling pH adjusters requires a bit of care, but once you get the hang of it, it becomes second nature. Follow these steps for a perfect mix every time:

  1. Mix all your base nutrients and additives in your water reservoir first, as they will naturally alter the pH.
  2. Measure the current pH level of your solution using a reliable, calibrated digital meter.
  3. If the pH is too low, add Canna pH Plus 20% in very small doses (start with 0.5ml per 10 liters of water).
  4. Stir the nutrient solution vigorously and wait a few minutes for the chemical reaction to stabilize.
  5. Measure the pH again. Repeat the process drop by drop if necessary until you hit your target range.
  6. Crucial precaution: Always wear gloves and safety glasses. This is a strong alkaline solution that can cause burns upon direct contact with skin or eyes.

Frequently Asked Questions

What is the ideal pH range for growing weed?

It depends on your medium. For soil, aim for a pH between 6.0 and 6.8. If you are growing in coco coir or hydroponics, the sweet spot is slightly more acidic, between 5.5 and 6.5.

Can I mix Canna pH Plus directly with my base nutrients?

No, never mix pH adjusters directly with concentrated nutrients in their pure form, as this will cause nutrient lockout and precipitation. Always add it to the fully diluted nutrient solution in your reservoir.

What happens if I accidentally add too much pH Plus?

If your pH spikes too high, do not panic. You can bring it back down using a pH Down (acid) product. However, it's always better to add the pH Plus very slowly to avoid a chemical yo-yo effect in your water.

Does this product add any nutrients to the water?

Yes, because it is formulated with potassium hydroxide, it adds a very small amount of potassium to your solution. This is actually beneficial for cannabis, especially during the flowering stage, but it won't throw off your overall NPK balance.

Personal Experience of Pevgrow’s CEO (Alan)

I remember a specific run a few years back where I was testing a new, heavy PK booster. Every time I mixed my tank, the pH would crash down to 4.5. I was pulling my hair out trying to fix it with weak, generic adjusters that required half a bottle just to move the needle. That's when I switched to Canna pH Plus 20%.

This stuff is no joke—it’s potent, reliable, and incredibly stable. My biggest piece of advice? Ditch the measuring cup and use a plastic pipette or a syringe. When you're dealing with a 20% concentration, literally a few drops can dial in a 10-liter bucket perfectly. It saves you money, keeps your roots happy, and gives you the peace of mind that your plants are actually eating what you're feeding them.



  • Is the shipping discreet?

    Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.

  • Do you ship worldwide?

    Yes, we ship to almost every country in the world although you need to know the current legislation in your country to make sure that you do not break any regulations with the germination of the seeds.

    UK: 3-4 days (express)
    USA: 4-5 days (express)
    Australia: 4-5 days (express)
    Japan: 4-5 days (express)
    Canada: 4-5 days (express)
    South Africa: 4-5 days (express)
    New Zealand: 5-7 days (express)
    View all

    The customer must be informed about the laws of their country regarding seeds or other products that may be purchased on our website, the possession of which may constitute a criminal offence in the country of receipt.

    We cannot be made responsible for the wrong use that some people decide to give to the seeds, so please don't act against your national laws.

    Due to problems with customs you can check here for restrictions to certain countries.

  • What payment methods and currencies do you accept?

    We accept the following payment methods: Bank transfer, Cryptocurrencies, cash, credit and debit cards and cash on delivery (Spain, Belgium, France, Italy, Portugal).

    You can change the currency on the top right to know the price of the products in your local currency and of course pay this way.

  • How long does it take to ship my order?

    In 24/48 hours we will ship your order.

  • Are the seeds guaranteed to germinate?

    If you live in a country where the cultivation of cannabis is legal and you decide to plant the seeds, it is good that you know that all the seeds that we commercialize have germination guarantee.

    If you germinate with the method of paper napkins and you have followed all the steps that we indicate here, you will only have to return us the seeds not germinated in their original packaging and when we receive them we will proceed to the change.

    Then we take care of requesting the return to the seed bank, we do not transfer this responsibility and time to our customers.

  • What if I receive a bad or damaged product?

    If you receive a broken product due to transport, you have to notify us within 24 hours for insurance coverage, always contact us as soon as possible and we will fix the problem!

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