High Potassium Liquid Fertiliser (15-5-30)

£7.08 £19.16Price range: £8.49£7.08 through £22.99£19.16 incl. VATex. VAT

Product Details
  • Amazing Value!
  • High Potassium Liquid feed for use all through the growing season.
  • Many uses for all fruiting and flowering plants.
  • NPK 15-5-30
  • Recommended application rate: 5ml per litre of water.
  • Download Material Safety Data Sheet here.

We offer FREE Standard Delivery (3-5 day service) to UK mainland, excluding Scottish Highland postcodes, on every order!

We also provide an Express Delivery service from just £3.99. Express orders must be placed before 10am (Monday-Friday) to be be delivered the next working day. Orders placed after this time will be delivered in a 48 hour timeframe. 

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High Potassium Liquid Fertiliser (15-5-30) - 1 Litre + 50 x 5" Reusable Plant Ties + Green Split Bamboo Canes
Price for all three: £17.35£14.46
Product Description

When to Use:

High Potassium Liquid Fertiliser is perfect for the beginning of the growing season, right through to late autumn/early winter. It’s ideal where high potassium levels are required without additional nitrogen. Fruiting and flowering plants particularly benefit from increased potassium. Crops strengthen and ripen, increasing yields and defending against disease. The nitrogen content stimulates chlorophyll production and encourages growth. This means it’s great for lawns, turfs and leafy vegetables too.

Application Rates:

5ml per litre of water applied at 1 litre per sqm via sprayer or watering can.

Further Information:

For young plants, early season & first applications always apply at the lower rate, increasing for established plants/turf and into the high season. To promote flowering and subsequent fruit production use from the onset of flowering, until harvest time. Recommended feed is twice per week. More frequent feeding is possible but care must be taken not to overfeed. Individual plant requirements vary greatly.
Bottle SizeAmount of Doses at 5mlSquare M Coverage
500 ml100100 m²
1 L200200 m²
2.5 L500500 m²
5 L10001000 m²
10 L20002000 m²

Mineral Analysis:

  • Nitrogen (N) as 15.0%
  • Phosphorous (P) 5.0%
  • Potassium Oxide (K) 30.0%
Please note: Colour may vary from batch to batch, this does not affect the efficacy of the product.
Check out our range of LIQUID FERTILISERS here.
NOTE: In order to comply with UK law we are obligated to report any suspicious transactions relating to this product.
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About Elixir Garden Supplies

For over 35 years Elixir Garden Supplies have been providing gardeners with all the essentials they need to achieve growing.

Our online store makes sure that all our customers have access to the information they need to make the right decisions when choosing the products they need for their gardens. We know from experience that gardening means many different things to our customers. Whether you have a balcony, patio, lawn or allotment, Elixir Gardens are proud to supply both amateur and professional gardeners alike.

We regularly use our many years of experience to developed our exclusive formulations in specialist fertilisers. Many of these have stood the test of time and have become firm favourites with amateurs and professionals alike.  In fact our knowledge of fertilisers, feeds and garden care is well known within gardening circles. But don’t just take our word for it, why not check out the thousands of fantastic reviews on Trustpilot.

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About Elixir Gardens

With over 35 years’ experience in Gardening and Horticulture here at Elixir Garden Supplies we pride ourselves on offering quality gardening essentials with the knowledge of how to use them and sold at the best possible prices.