John Innes No1, No2 or No3 We blend our own John Innes Composts. Downloads Deliveryicon-button-arrow-green Description The well known John Innes mixes produced in large volumes available in small sacks, bulk bags and loose loads using the John Innes Base Fertilisers for each blend. Pictured is our John Innes No.1 blend. Technical Data pH: 7.7 Potassium: 510.1 mg/l Magnesium: 40.2 mg/l Downloads icon-technical-document-alt-normal-text Gardenscape JI no ... icon-downloads-greenDownload