JBL PROFLORA Ferropol Refill Pack 500+125ml
You’ll find answers to the most frequently asked questions in our FAQ section. If you can’t find what you’re looking for here, please don’t hesitate to contact us directly – we’ll be happy to help.
The colouring of Ferropol depends on the pH value. During production Ferropol is set to a pH of 4.5. Then the colour is olive green. During longer storage and especially when the bottle has been opened, oxygen from the air gradually penetrates the fertiliser, the pH rises and changes the colour towards a brown tone. _x000D_ _x000D_ This has no influence on the effectiveness of the fertiliser and its ingredients. You can safely continue to use it.
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