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Potassium nitrate

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Potassium nitrate for sale on largest auction and classifieds sites

Home / Home & Garden / Potassium nitrate for sale – 96 used, around €14 | For Sale
Elixir gardens high potassium - elixir,

Elixir gardens high potassium - elixir,

€7.75
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Potassium chloride kci - chloride,

Potassium chloride kci - chloride,

€14.99
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Westland natural plant - westland,

Westland natural plant - westland,

€17.75
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Levington sulphate potash - of,

Levington sulphate potash - of,

€10.95
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Growmore special blend - growmore, 7-7-7

Growmore special blend - growmore, 7-7-7

€9.99
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Osmocote pro slow release - osmocote,

Osmocote pro slow release - osmocote,

€18.99
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Bat guano fertiliser - fertiliser, organic

Bat guano fertiliser - fertiliser, organic

€2.49
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Houseplant food concentrate - food,

Houseplant food concentrate - food,

€6.99
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Carnivorous plant food - carnivorous,

Carnivorous plant food - carnivorous,

€9.99
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Vitax blood fish - fish, plant

Vitax blood fish - fish, plant

€9.98
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Liquid seaweed fertiliser - seaweed, 5l

Liquid seaweed fertiliser - seaweed, 5l

€23.99
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Ivisons 696 pre seed - ivisons,

Ivisons 696 pre seed - ivisons,

€39.99
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Osmocote pro m - osmocote, 12-14

Osmocote pro m - osmocote, 12-14

€18.99
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Organic extra fertiliser - organic,

Organic extra fertiliser - organic,

€34.99
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Ionic coco bloom - ionic, hydroponic

Ionic coco bloom - ionic, hydroponic

€52.69
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Westland sulphate potash - sulphate, of

Westland sulphate potash - sulphate, of

€10.95
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Vitax blood fish - vitax, &

Vitax blood fish - vitax, &

€10.99
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Liquid seaweed fertiliser - liquid,

Liquid seaweed fertiliser - liquid,

€53.99
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Miracle gro all purpose - miracle,

Miracle gro all purpose - miracle,

€7.99
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Westland fish blood and bone - westland,

Westland fish blood and bone - westland,

€23.99
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Canna coco nutrient 10l - coco,

Canna coco nutrient 10l - coco,

€59.20
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Bat guano fertiliser organic - fertiliser,

Bat guano fertiliser organic - fertiliser,

€2.49
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Osmocote slow release - slow,

Osmocote slow release - slow,

€16.99
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Dried blood meal organic - dried,

Dried blood meal organic - dried,

€2.50
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Jbl pro aquatest - jbl, potassium

Jbl pro aquatest - jbl, potassium

€38.36
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Osmocote slow release - osmocote,

Osmocote slow release - osmocote,

€22.29
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Westland safe lawn natural - lawn,

Westland safe lawn natural - lawn,

€13.99
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30l premium liquid seaweed - premium,

30l premium liquid seaweed - premium,

€68.99
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Growth technology chilli - chilli, and

Growth technology chilli - chilli, and

€10.08
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Ionic coco grow - coco, grow-

Ionic coco grow - coco, grow-

€52.69
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Emerald harvest king - harvest, kola

Emerald harvest king - harvest, kola

€37.10
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Liquid seaweed fertiliser - fertiliser, 1l

Liquid seaweed fertiliser - fertiliser, 1l

€13.99
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Growmore 07 special - growmore,

Growmore 07 special - growmore,

€0.99
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Liquid seaweed fertiliser - fertiliser, –

Liquid seaweed fertiliser - fertiliser, –

€59.99
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Cow manure pellets 10l - cow, 5/10l

Cow manure pellets 10l - cow, 5/10l

€24.99
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Westland ericaceous plant - westland, food

Westland ericaceous plant - westland, food

€9.89
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Organic plant food all purpose - organic,

Organic plant food all purpose - organic,

€7.99
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Canna coco b plant - canna,

Canna coco b plant - canna,

€15.85
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Fruktovit plus nawóz thuja - plus, do

Fruktovit plus nawóz thuja - plus, do

€13.99
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Miracle gro feeder - miracle-gro,

Miracle gro feeder - miracle-gro,

€13.50
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Westland fish blood - fish, all

Westland fish blood - fish, all

€17.99
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Jarder lawn feed for - feed,

Jarder lawn feed for - feed,

€32.95
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Biobizz bio bloom organic - bio,

Biobizz bio bloom organic - bio,

€12.15
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Jarder month lawn feed - 6,

Jarder month lawn feed - 6,

€26.95
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Growth technology plant - growth,

Growth technology plant - growth,

€6.45
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Miracle gro all purpose - miracle,

Miracle gro all purpose - miracle,

€7.90
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Levington sulphate potash - levington,

Levington sulphate potash - levington,

€9.89
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Growmore fertiliser 07 - fertiliser, 07-07-07

Growmore fertiliser 07 - fertiliser, 07-07-07

€2.50
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Liquid seaweed fertiliser - seaweed, 2.5l

Liquid seaweed fertiliser - seaweed, 2.5l

€16.99
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Jarder weed and feed - jarder, lawn

Jarder weed and feed - jarder, lawn

€45.95
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Mineral fertilizer for - mineral,

Mineral fertilizer for - mineral,

€15.55
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Osmocote slow release plant - slow,

Osmocote slow release plant - slow,

€4.49
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Empathy tomatoes and - tomatoes,

Empathy tomatoes and - tomatoes,

€9.95
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Organic seaweed liquid - organic,

Organic seaweed liquid - organic,

€39.95
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Miracle gro premium - premium, fast

Miracle gro premium - premium, fast

€8.90
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Easy life potassium 250ml - easy,

Easy life potassium 250ml - easy,

€8.88
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Organic fertiliser fresh - fertiliser, alive

Organic fertiliser fresh - fertiliser, alive

€5.45
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Ivisons lawn grass turf - grass, pre

Ivisons lawn grass turf - grass, pre

€39.99
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Houseplant food 175ml - houseplant, 175ml-

Houseplant food 175ml - houseplant, 175ml-

€25.00
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Westland seaweed enhanced - westland,

Westland seaweed enhanced - westland,

€12.70
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Ivisons pre seed - ivisons,

Ivisons pre seed - ivisons,

€36.73
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Jarder moss killer - jarder, lawns

Jarder moss killer - jarder, lawns

€29.95
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Biobizz alg mic organic - alg-a-mic,

Biobizz alg mic organic - alg-a-mic,

€14.85
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Plant magic root stimulant - root,

Plant magic root stimulant - root,

€19.99
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Chempak tomato plant feed - chempak,

Chempak tomato plant feed - chempak,

€10.99
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Vitax bonemeal organic - vitax,

Vitax bonemeal organic - vitax,

€7.99
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Westland ericaceous specialist - westland,

Westland ericaceous specialist - westland,

€9.99
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Canna terra vega 10l - 10l, grow

Canna terra vega 10l - 10l, grow

€48.95
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Fertilizer planta 1kg for - fertilizer,

Fertilizer planta 1kg for - fertilizer,

€13.99
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Doff growmore plant feed - plant, multi

Doff growmore plant feed - plant, multi

€5.50
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Plant magic old timer 5l - timer,

Plant magic old timer 5l - timer,

€67.50
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Biobizz grow bloom - bloom, 2

Biobizz grow bloom - bloom, 2

€12.90
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30l premium liquid seaweed - premium,

30l premium liquid seaweed - premium,

€129.99
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Growth technology essential - technology,

Growth technology essential - technology,

€6.99
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Fish blood bone all purpose - blood,

Fish blood bone all purpose - blood,

€7.99
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Vitax blood fish and - blood,

Vitax blood fish and - blood,

€9.99
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Alpaca beans large bags - large, best

Alpaca beans large bags - large, best

€21.50
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Osmocote topdress slow release - osmocote,

Osmocote topdress slow release - osmocote,

€16.99
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Levington natural sulphate - levington,

Levington natural sulphate - levington,

€11.95
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Jarder lawn feed fertiliser - lawn,

Jarder lawn feed fertiliser - lawn,

€27.95
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Biohumus super forte - biohumus,

Biohumus super forte - biohumus,

€9.25
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Doff liquid growmore plant - doff,

Doff liquid growmore plant - doff,

€6.98
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Miracle gro continuous - miracle-gro,

Miracle gro continuous - miracle-gro,

€9.77
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Shogun samurai coco plant - shogun, a+b

Shogun samurai coco plant - shogun, a+b

€82.95
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Doff multipurpose feed 600ml - doff,

Doff multipurpose feed 600ml - doff,

€6.20
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Incredigrow chempak no3 all - no3,

Incredigrow chempak no3 all - no3,

€12.49
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Vitax sulphate potash - sulphate,

Vitax sulphate potash - sulphate,

€12.99
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Chilli pepper focus premium - chilli,

Chilli pepper focus premium - chilli,

€12.39
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Levington sulphate ammonia - levington,

Levington sulphate ammonia - levington,

€10.99
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Liquid seaweed fertiliser - seaweed,

Liquid seaweed fertiliser - seaweed,

€56.99
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Growmore organic all - growmore, purpose

Growmore organic all - growmore, purpose

€7.99
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Westland ericaceous high - ericaceous,

Westland ericaceous high - ericaceous,

€9.99
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Crystalline fertilizer

Crystalline fertilizer

€12.75
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Vitax green lawn - green,

Vitax green lawn - green,

€11.99
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Mineral fertilizer for - fertilizer,

Mineral fertilizer for - fertilizer,

€15.99
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Chempak tomato plant - tomato,

Chempak tomato plant - tomato,

€13.99
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📊96 listings · from €0.99 · avg €21.16

Browse 96 potassium nitrate listings currently in our index. Prices range from €0.99 to €129.99, with an average of €21.16. 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 €0.99, while premium listings can reach €129.99 — giving you a wide budget spread to work with. The average price of €21.16 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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