Calibration solution - BUFFER pH4 - 300ml IONIC


Buffer pH 4.01 will allow you to check and calibrate your pH tester.

This bottle of Buffer 4.01 is available in 250ml or 300mL of solution, which represents 10 to 15 calibrations.

Tax included
Supply in progress

Pay with a credit card in 3, 4, or 10 installments.

Paypal, Bank transfer, Purchase order

24-hour delivery

Free delivery for orders over 100€ - Pick-up point/home delivery

Expert farmers

At your service by phone, email, chat.

Need information, a quote?

Monday to Friday from 10am to 12pm and 2pm to 5pm.

Starting a cultivation under horticultural LED lights

10 advantages of LED horticultural lamps

Conducting a study for a professional project

What is the electrical cost of LED lighting?

Discover the product Buffer pH 4.01 of the brand IONICS. A calibration solution that will allow you to check and calibrate your pH tester.


If you want to check the acidity level of your solutions for your plants, buy the product BUFFER pH4 from the brand IONICS. It comes in a 250ml or 300ml bottle. To calibrate the pH tester, open the bag and dip the electrode in the pH4.01 calibration solution. Turn on the tester and wait for the pH to stabilize on the screen. If your tester indicates a value other than 4, change the value to 4. Do not reuse the calibration solution used during the operation.

Translated with (free version)

Category Hydroculture EAN13 5025644918073
BUFFER pH4 - Calibration solution - 300ml IONIC

When will my order be shipped?

You place your order between:

midnight - 2pmShipped the same dayShipped on Monday
2pm - midnightShipped the next dayShipped on Monday

Which countries do you deliver to?

You can place an order on the website for delivery to the following countries: Germany, Austria, Belgium, Canada, Denmark, Spain, France, Finland, Greece, Guadeloupe, French Guiana, Italy, Ireland, Luxembourg, Martinique, New Caledonia, New Zealand, Netherlands, Portugal, Reunion, United Kingdom, Sweden, and Switzerland.

The countries listed below benefit from FREE international Express delivery by Chronopost for orders over 100€!

Germany, Austria, Belgium, Spain, Denmark, Finland, Greece, Italy, Ireland, Luxembourg, Netherlands, Portugal, United Kingdom, Sweden.

If you do not find your country, feel free to contact us and we will inform you about the possibility of delivery.

discreet anonymous led horticultural lamp delivery package

Is your country not on this list? Contact us by email for a custom quote.