- New
100 day satisfaction guarantee
Discreet delivery worldwide
The Essentials EC 2.8 Calibration Fluid is a premium 250ml standard solution designed to keep your digital conductivity meters perfectly calibrated, ensuring your plants receive the exact nutrient dosage they need to thrive.
Are you noticing yellowing leaves or stunted growth even though you are following your nutrient schedule to the letter? The culprit is usually an uncalibrated EC meter giving you false readings.
Relying on a drifting meter is like driving blindfolded. You end up overfeeding and burning your roots, or underfeeding and starving your crop. Every day you wait, your plants suffer from nutrient lockout, wasting your expensive fertilizers and ruining months of hard work.
With the Essentials EC 2.8 Calibration Fluid, you eliminate the guesswork instantly. By regularly dipping your meter into this standardized solution, you reset its accuracy to factory perfection, guaranteeing that every drop of nutrient solution you mix is exactly what your cannabis plants crave.
If you have been skipping calibration, you are likely playing Russian roulette with your reservoir. Using this 2.8 EC standard fluid transforms your routine from a stressful guessing game into a precise science. You will notice immediately how your plants respond better when the electrical conductivity is dialed in perfectly.
Plus, this 250ml bottle provides enough liquid for multiple calibrations throughout your grow cycle. It is incredibly easy to use and gives you the peace of mind that your EC Meters are telling you the absolute truth, especially when temperature fluctuations try to mess with your readings.
This calibration fluid is a non-negotiable tool for anyone who takes their plant nutrition seriously, whether you are running a complex hydroponic setup or just mixing nutrients for soil.
Keeping your meters in check does not have to be a chore. Simply pour a small amount of the Essentials EC 2.8 fluid into a clean, separate glass. Never dip your meter directly into the main bottle to avoid contamination. Turn on your meter, dip the probe, and adjust the calibration screw or button until the screen reads exactly 2.8.
Make this a quick habit every two weeks, or right before you mix a fresh batch of nutrients for your Hydroponic and Aeroponic Systems. It takes less than a minute and guarantees your harvest stays on track.
For optimal accuracy, it is recommended to calibrate your meter every two weeks, or at least once a month, depending on how frequently you use it.
No, you should never pour used fluid back into the main bottle. Always pour a small amount into a separate container for testing and discard it afterwards to prevent contamination.
Yes, temperature affects conductivity. It is best to calibrate your meter at room temperature (around 20 degrees Celsius) or use a meter with Automatic Temperature Compensation (ATC) for the most accurate results.
Store it in a cool, dark place, tightly sealed, and away from direct sunlight or extreme heat to maintain its chemical stability.
Before I got strict about calibration, I used to chase phantom nutrient deficiencies. I would add more cal-mag, flush the medium, and stress out, only to realize my cheap, uncalibrated meter was reading 0.5 EC lower than reality. I was literally starving my best genetics! Since I started using the Essentials EC 2.8 Calibration Fluid, that headache is gone. I keep this 250ml bottle right next to my mixing reservoir. It is super reliable, and I love that it forces me to be disciplined. If you want to grow top-shelf buds, stop guessing and start measuring accurately. I highly recommend this to every grower who wants to sleep peacefully knowing their plants are eating exactly what they should.
Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.
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.
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.
In 24/48 hours we will ship your order.
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.
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!
Among all those who comment or send us your questions, there will be a monthly raffle for a €50 voucher for your purchases at Pevgrow. What are you waiting for? Write us and participate!