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Potassium nitrate

4

Potassium nitrate for sale on largest auction and classifieds sites

Home / Home & Garden / Potassium nitrate refurbished & used for sale | For Sale
Elixir gardens high - gardens, potassium

Elixir gardens high - gardens, potassium

€10.99
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Levington sulphate potash - levington, of

Levington sulphate potash - levington, of

€10.95
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Gardennova monstera liquid - gardennova,

Gardennova monstera liquid - gardennova,

€9.99
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Organic 10ltr liquid seaweed - liquid,

Organic 10ltr liquid seaweed - liquid,

€39.95
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Growmore special blend - growmore,

Growmore special blend - growmore,

€9.49
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Westland sulphate potash - sulphate,

Westland sulphate potash - sulphate,

€10.95
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Osmocote slow release - slow,

Osmocote slow release - slow,

€22.29
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Miracle gro autumn lawn - autumn,

Miracle gro autumn lawn - autumn,

€26.99
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Liquid seaweed fertiliser - liquid,

Liquid seaweed fertiliser - liquid,

€23.99
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Baby bio fertiliser - bio, for

Baby bio fertiliser - bio, for

€3.40
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Miracle gro all purpose - all, plant

Miracle gro all purpose - all, plant

€7.16
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Liquid seaweed fertiliser 5l - liquid,

Liquid seaweed fertiliser 5l - liquid,

€16.99
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Granulated fertilizer for - granulated,

Granulated fertilizer for - granulated,

€13.90
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Welsh fresh sphagnum moss - welsh,

Welsh fresh sphagnum moss - welsh,

€20.00
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5ltr organic seaweed - seaweed, liquid

5ltr organic seaweed - seaweed, liquid

€28.95
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Gardennova snake plant liquid - plant,

Gardennova snake plant liquid - plant,

€9.99
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Carnivorous plant food spray - carnivorous,

Carnivorous plant food spray - carnivorous,

€9.99
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Biobizz bio bloom organic - biobizz,

Biobizz bio bloom organic - biobizz,

€12.15
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Liquid seaweed fertiliser 20l - seaweed,

Liquid seaweed fertiliser 20l - seaweed,

€53.99
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Chempak tomato plant feed - chempak,

Chempak tomato plant feed - chempak,

€10.99
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Osmocote slow release - osmocote,

Osmocote slow release - osmocote,

€16.99
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Canna coco b - 1l,

Canna coco b - 1l,

€15.85
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Fish blood bone all purpose - bone,

Fish blood bone all purpose - bone,

€7.99
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Doff growmore plant feed multi - doff,

Doff growmore plant feed multi - doff,

€5.50
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30l premium liquid seaweed - 30l,

30l premium liquid seaweed - 30l,

€68.99
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Osmocote pro m - osmocote, 12-14

Osmocote pro m - osmocote, 12-14

€18.99
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Easy life potassium 250ml - easy,

Easy life potassium 250ml - easy,

€8.88
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Miracle gro feeder - miracle-gro,

Miracle gro feeder - miracle-gro,

€18.99
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Organic 5ltr liquid seaweed - organic,

Organic 5ltr liquid seaweed - organic,

€28.95
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Gardennova anthurium liquid - gardennova,

Gardennova anthurium liquid - gardennova,

€9.99
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Bac organic grow litre - bac,

Bac organic grow litre - bac,

€15.60
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Emerald harvest king - harvest,

Emerald harvest king - harvest,

€37.10
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Vitax sulphate potash - vitax,

Vitax sulphate potash - vitax,

€12.99
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Grass fertiliser - 6-5-10,

Grass fertiliser - 6-5-10,

€16.99
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Nutrigrow growmore tree plant - nutrigrow,

Nutrigrow growmore tree plant - nutrigrow,

€29.99
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Osmocote slow release - osmocote,

Osmocote slow release - osmocote,

€5.99
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Canna coco nutrient - canna,

Canna coco nutrient - canna,

€59.20
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Gardennova peace lily liquid - gardennova,

Gardennova peace lily liquid - gardennova,

€9.99
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Organic 20ltr liquid seaweed - organic,

Organic 20ltr liquid seaweed - organic,

€69.95
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Gardennova citrus tree - tree, liquid

Gardennova citrus tree - tree, liquid

€9.99
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Cow manure pellets 10l - 5/10l,

Cow manure pellets 10l - 5/10l,

€16.99
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Growth technology essential - technology,

Growth technology essential - technology,

€6.99
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Growth technology chilli focus - growth,

Growth technology chilli focus - growth,

€6.99
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Liquid seaweed fertiliser - fertiliser, 1l

Liquid seaweed fertiliser - fertiliser, 1l

€13.99
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Doff liquid growmore plant - growmore,

Doff liquid growmore plant - growmore,

€6.98
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Fertilizer planta 1kg for - fertilizer,

Fertilizer planta 1kg for - fertilizer,

€13.99
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Mineral fertilizer for - fertilizer,

Mineral fertilizer for - fertilizer,

€15.99
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Westland seaweed enhanced - westland,

Westland seaweed enhanced - westland,

€18.99
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Organic fertilizer for

Organic fertilizer for

€13.50
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Jarder lawn feed for new - jarder,

Jarder lawn feed for new - jarder,

€31.95
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Jarder month lawn - jarder, feed

Jarder month lawn - jarder, feed

€25.95
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Vitax orchid plant - vitax,

Vitax orchid plant - vitax,

€7.50
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Osmocote slow release plant - release,

Osmocote slow release plant - release,

€5.99
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Vitax orchid feed soluble - vitax,

Vitax orchid feed soluble - vitax,

€10.99
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Westland ericaceous high - ericaceous,

Westland ericaceous high - ericaceous,

€9.99
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Osmocote pro slow release - osmocote,

Osmocote pro slow release - osmocote,

€18.99
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Liquid seaweed fertiliser 10l - fertiliser,

Liquid seaweed fertiliser 10l - fertiliser,

€38.99
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Liquid seaweed fertiliser - liquid, 6l

Liquid seaweed fertiliser - liquid, 6l

€29.99
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Plant magic old - magic,

Plant magic old - magic,

€12.99
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Incredigrow chempak no3 all - chempak,

Incredigrow chempak no3 all - chempak,

€12.49
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Westland organic seaweed - westland,

Westland organic seaweed - westland,

€9.90
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Westland ericaceous plant food - westland,

Westland ericaceous plant food - westland,

€9.89
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Green plants mineral gel - green,

Green plants mineral gel - green,

€8.90
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Bamboo fertiliser specialist - fertiliser.,

Bamboo fertiliser specialist - fertiliser.,

€15.95
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Jarder weed and - jarder,

Jarder weed and - jarder,

€36.95
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Growlands carnivorous plant - carnivorous,

Growlands carnivorous plant - carnivorous,

€14.99
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Biobizz fish mix organic - mix,

Biobizz fish mix organic - mix,

€13.12
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Gardennova aloe vera liquid - aloe,

Gardennova aloe vera liquid - aloe,

€8.88
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Mineral fertilizer for

Mineral fertilizer for

€10.70
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Fertilizer for hydrangeas - fertilizer,

Fertilizer for hydrangeas - fertilizer,

€10.26
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Canna coco litre veg - canna,

Canna coco litre veg - canna,

€17.35
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Gardennova monstera liquid - gardennova,

Gardennova monstera liquid - gardennova,

€8.88
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20kg paddock fertiliser - x,

20kg paddock fertiliser - x,

€74.99
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Conifer fertilizer mineral - conifer,

Conifer fertilizer mineral - conifer,

€15.70
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Osmocote topdress slow release - osmocote,

Osmocote topdress slow release - osmocote,

€12.89
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Osmocote slow release - osmocote,

Osmocote slow release - osmocote,

€9.99
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Jarder lawn feed - jarder,

Jarder lawn feed - jarder,

€26.95
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Citrus focus plant food 100ml - ,

Citrus focus plant food 100ml - ,

€6.35
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Gardennova peace lily - peace, liquid

Gardennova peace lily - peace, liquid

€8.88
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Fertilizer for blueberry and - for,

Fertilizer for blueberry and - for,

€12.75
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Baby bio citrus plant - baby,

Baby bio citrus plant - baby,

€6.99
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Enhance aquarium growth with - enhance,

Enhance aquarium growth with - enhance,

€26.38
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Biobizz bio bloom organic - bloom, 1l

Biobizz bio bloom organic - bloom, 1l

€12.95
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Mineral fertilizer for house

Mineral fertilizer for house

€8.95
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Empathy after plant tomato and - after,

Empathy after plant tomato and - after,

€13.99
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175ml high potassium citrus - potassium,

175ml high potassium citrus - potassium,

€4.99
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30l premium liquid seaweed - 2×30l,

30l premium liquid seaweed - 2×30l,

€129.99
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Ionic boost litre plant - boost, 1

Ionic boost litre plant - boost, 1

€12.45
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Gardennova spider plant liquid - gardennova,

Gardennova spider plant liquid - gardennova,

€8.88
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Organically alive fertiliser - alive,

Organically alive fertiliser - alive,

€5.72
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Houseplant food concentrate - houseplant,

Houseplant food concentrate - houseplant,

€3.20
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Canna coco hydroponic - 5l, |

Canna coco hydroponic - 5l, |

€39.99
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Growlands organic liquid - growlands,

Growlands organic liquid - growlands,

€9.99
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Alpaca beans large - alpaca,

Alpaca beans large - alpaca,

€21.50
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Fruktovit plus nawóz thuja - nawÓz,

Fruktovit plus nawóz thuja - nawÓz,

€13.99
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10ltr liquid seaweed - liquid,

10ltr liquid seaweed - liquid,

€39.95
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📊96 listings · from €3.2 · avg €19.13

Browse 96 potassium nitrate listings currently in our index. Prices range from €3.2 to €129.99, with an average of €19.13. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about potassium nitrate →

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Everything you need to know about potassium nitrate

Whether you are looking for a brand-new or second-hand potassium nitrate, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at €3.2, while premium listings can reach €129.99 — giving you a wide budget spread to work with. The average price of €19.13 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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