{"title":"Trace Minerals","description":"\u003cp\u003eTrace minerals are the micronutrients plants need in small amounts — zinc, manganese, boron, copper, molybdenum and cobalt among them. Individually they are hard to diagnose and easy to overdose, so broad-spectrum sources cover them together rather than dosing one at a time.\u003c\/p\u003e","products":[{"product_id":"kelp-meal","title":"Kelp Meal","description":"\u003cp\u003eKelp Meal is a natural, organic amendment made from dried and ground seaweed — a rich source of potassium, trace minerals, vitamins, and natural growth hormones essential for plant health and development. We offer two distinct species, each with its own hormone profile: Ascophyllum nodosum (North Atlantic) leans more cytokinin-rich, promoting cell division, lateral bud development, and overall plant vigour, while Durvillaea potatorum (Australian bull kelp) leans more auxin-rich, driving root elongation, apical dominance, and directional growth responses.\u003c\/p\u003e\n\u003cp\u003eIn reality both species carry a mix of hormones — these are dominant leanings rather than absolutes — and they complement each other well when used together. Their main role is as growth promoters and elicitors, soil conditioners, and trace-mineral sources: they support root growth and microbial activity in the soil. While they do provide a useful NPK contribution weighted toward potassium, their real value lies in the wide array of cytokinins, auxins, and other growth stimulants they deliver — making them true biostimulant ingredients rather than simple fertilisers.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"500g \/ Ascophyllum nodosum","offer_id":48918011216112,"sku":"KELP-ASC-500G","price":12.0,"currency_code":"AUD","in_stock":true},{"title":"500g \/ Durvillaea potatorum","offer_id":48918011248880,"sku":"KELP-DUR-500G","price":12.0,"currency_code":"AUD","in_stock":false},{"title":"1kg \/ Ascophyllum nodosum","offer_id":48918011281648,"sku":"KELP-ASC-1KG","price":22.5,"currency_code":"AUD","in_stock":true},{"title":"1kg \/ Durvillaea potatorum","offer_id":48918011314416,"sku":"KELP-DUR-1KG","price":22.5,"currency_code":"AUD","in_stock":false},{"title":"2.5kg \/ Ascophyllum nodosum","offer_id":48918011347184,"sku":"KELP-ASC-2.5KG","price":50.0,"currency_code":"AUD","in_stock":true},{"title":"2.5kg \/ Durvillaea potatorum","offer_id":48918011379952,"sku":"KELP-DUR-2.5KG","price":50.0,"currency_code":"AUD","in_stock":false},{"title":"5kg \/ Ascophyllum nodosum","offer_id":48918011412720,"sku":"KELP-ASC-5KG","price":80.0,"currency_code":"AUD","in_stock":true},{"title":"5kg \/ Durvillaea potatorum","offer_id":48918011445488,"sku":"KELP-DUR-5KG","price":80.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/kelp-meal-101646.jpg?v=1772156873"},{"product_id":"oyster-shell-lime","title":"Oyster Shell Lime","description":"\u003cp\u003eOyster Shell Lime is a premium soil amendment derived from 100% locally farmed and sourced oyster shells — but this isn't simply crushed shells. This product is the result of a decade of development and refinement, built around solving the biggest problem with conventional oyster shell powder: sodium. Most oyster shell products on the market haven't had anything done to mitigate the sodium naturally present in any sea-based ingredient, meaning you're adding calcium but bringing sodium along with it — and plants unfortunately uptake sodium with greater ease than calcium, leading to lacklustre results.\u003c\/p\u003e\n\u003cp\u003eOur custom process begins with desalinating, cleaning, and pasteurising the shells, which are then fully dried and processed through multiple grinding and sieving stations to yield a uniform, clean, garden-worthy end product. Available in powder form, it provides a slow-release source of calcium and trace minerals — notably zinc — along with conchiolin, a protein that appears to enhance calcium uptake. The result is improved soil structure and drainage, boosted beneficial microbe populations, and reliable calcium supply without the sodium baggage.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"500g","offer_id":48918020620528,"sku":"OYSTERSL-500G","price":12.0,"currency_code":"AUD","in_stock":true},{"title":"1kg","offer_id":48918020686064,"sku":"OYSTERSL-1KG","price":24.0,"currency_code":"AUD","in_stock":true},{"title":"2.5kg","offer_id":48918020751600,"sku":"OYSTERSL-2.5KG","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"5kg","offer_id":48918020817136,"sku":"OYSTERSL-5KG","price":95.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/oystershelllime_47dbb927-8d2c-4b33-9243-e16032c040ad.png?v=1783649127"},{"product_id":"palagonite","title":"Palagonite","description":"\u003cp\u003ePalagonite is a unique rock mineral derived from an ancient volcanic deposit, characterised by its high cation exchange capacity (CEC) — meaning it can hold and buffer a large number of nutrients in the soil. It also contains a wide range of trace minerals, making it a valuable addition to any soil blend and a key component alongside other rock mineral inputs like Azomite and volcanic ash.\u003c\/p\u003e\n\u003cp\u003eThe benefits are broad: palagonite improves soil structure and drainage, holds and buffers nutrients, provides a wide range of trace minerals, detoxifies and balances the soil, improves water retention, and supports the growth of beneficial microbes. Compared to basalt, it offers faster mineral release with less pH buffering effect, making it more versatile in mixes where you don't want to shift pH significantly.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"500g","offer_id":48918020849904,"sku":"PALAG-500G","price":8.0,"currency_code":"AUD","in_stock":false},{"title":"1kg","offer_id":48918020882672,"sku":"PALAG-1KG","price":14.0,"currency_code":"AUD","in_stock":false},{"title":"2.5kg","offer_id":48918020915440,"sku":"PALAG-2.5KG","price":28.0,"currency_code":"AUD","in_stock":false},{"title":"5kg","offer_id":48918020948208,"sku":"PALAG-5KG","price":50.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/palagonite-441666.jpg?v=1772156689"},{"product_id":"volcanic-ash","title":"Volcanic Ash","description":"\u003cp\u003eVolcanic Ash is a finely divided mineral amendment thrown out by volcanic activity, prized for the same reason the soils around active volcanoes are some of the most fertile on earth. It carries a broad spectrum of minerals — silica, iron, magnesium, calcium, potassium and a long tail of trace elements — in a naturally slow-release form. Rather than feeding plants in a rush like a soluble fertiliser, it behaves like a mineral bank: water, root acids and soil microbes weather it down over months, releasing small amounts steadily and remineralising soils that compost and peat-based mixes often leave short.\u003c\/p\u003e\n\u003cp\u003eIts very fine particle size is part of the appeal — it blends evenly through the root zone and puts a lot of mineral surface in contact with soil and biology. The high silica content helps stiffen cell walls, which growers tie to sturdier plants and better resistance to pests and disease, while the broader mineral load supports soil structure, aeration and cation exchange. It suits any long-cycle system — folded into a fresh mix, worked into beds, or added to a living-soil or no-till reset — anywhere you want durable mineral fertility rather than a quick hit.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"500g","offer_id":48918021112048,"sku":"VOLCASH-500G","price":6.0,"currency_code":"AUD","in_stock":true},{"title":"1kg","offer_id":48918021144816,"sku":"VOLCASH-1KG","price":9.0,"currency_code":"AUD","in_stock":true},{"title":"2.5kg","offer_id":48918021177584,"sku":"VOLCASH-2.5KG","price":17.0,"currency_code":"AUD","in_stock":true},{"title":"5kg","offer_id":48918021210352,"sku":"VOLCASH-5KG","price":30.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/volcanic-ash-895006.jpg?v=1783325497"},{"product_id":"azomite","title":"Azomite","description":"\u003cp\u003eAzomite is a genuine, bonafide calcium-aluminosilicate rock mineral mined from a single unique deposit in Utah — the only source of its kind in the world. Widely used and highly regarded, it contains a full spectrum of trace minerals from A to Z, in a combination not found in any other deposit globally. The Azomite we stock is highly micronised, making it quickly bioavailable to plants and soil biology alike.\u003c\/p\u003e\n\u003cp\u003eThe mineral profile includes boron, calcium, chlorine, cobalt, copper, iron, magnesium, molybdenum, phosphorus, potassium, silicon, sodium, sulphur, and zinc — all of importance in growing strong, healthy, high-yielding plants. We use Azomite in our mixes alongside other rock mineral inputs such as palagonite and volcanic ash, finding that the extra coverage it delivers really rounds out a soil and covers bases that single-mineral amendments can't. Anecdotally, many keen users report increases in quality, and we've personally found it seems to wake up microbes and get them active fast.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"500g","offer_id":48918021538032,"sku":"AZOMITE-500G","price":8.0,"currency_code":"AUD","in_stock":true},{"title":"1kg","offer_id":48918021570800,"sku":"AZOMITE-1KG","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"2.5kg","offer_id":48918021603568,"sku":"AZOMITE-2.5KG","price":32.5,"currency_code":"AUD","in_stock":true},{"title":"5kg","offer_id":48918021636336,"sku":"AZOMITE-5KG","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/azomite.png?v=1782526524"},{"product_id":"raw-humates","title":"Raw Humates","description":"\u003cp\u003eRaw Humates (predominantly Lignite) are a slow-release, insoluble source of humic and fulvic acids in their unextracted, natural form. Sourced from Australia's premium humate deposits — regarded as the best globally — this is the raw ore that purified humic and fulvic acid products are chemically extracted from, offering far greater long-term availability of these crucial organic acids at constant background levels.\u003c\/p\u003e\n\u003cp\u003eUnlike soluble humic acid extractions, which require regular reapplication and carry residual potassium hydroxide from the extraction process, raw humates are insoluble and lock their benefits into the soil for extended release. They're also naturally acidic rather than alkaline, making them ideal for balancing the pH of alkaline fungal-dominant composts without harshly affecting soil biology. The bulk carbon content feeds long-term soil structure and microbial activity — benefits that soluble extracts simply can't replicate.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"500g","offer_id":48918022914288,"sku":"HUMATES-500G","price":7.5,"currency_code":"AUD","in_stock":true},{"title":"1kg","offer_id":48918022947056,"sku":"HUMATES-1KG","price":12.0,"currency_code":"AUD","in_stock":true},{"title":"2.5kg","offer_id":48918022979824,"sku":"HUMATES-2.5KG","price":26.0,"currency_code":"AUD","in_stock":true},{"title":"5kg","offer_id":48918023012592,"sku":"HUMATES-5KG","price":48.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/rawhumates.png?v=1782530763"},{"product_id":"pumice","title":"Pumice","description":"\u003cp data-start=\"2709\" data-end=\"3154\" class=\"PDq2pG_selectionAnchorContainer\"\u003ePumice is a natural volcanic rock used to improve drainage, aeration, and structural integrity in growing media. Unlike perlite, which is an expanded volcanic glass, pumice is a naturally porous volcanic mineral that retains its structure without additional processing. Its higher density means it is far less likely to migrate or float to the surface of your mix over time, providing long-lasting, reliable aeration throughout the soil profile.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3159\" data-end=\"3698\"\u003eAvailable in two grades — fine (1–6 mm average) and coarse (7–20 mm average) — you can tailor the particle size to suit your application. Fine grade is ideal for potting mixes, seed-raising blends, and containers where moderate aeration is needed without creating large air spaces. Coarse grade delivers greater drainage and airflow for large containers, raised beds, bottom-of-pot drainage layers, or any mix that requires maximum resistance to compaction. The two grades can also be blended to create a custom particle size distribution.\u003c\/p\u003e\n\u003cp data-start=\"3703\" data-end=\"4222\"\u003eAs a natural volcanic mineral, pumice contains silica and naturally occurring trace minerals, although these become available only very slowly as the rock gradually weathers. It also has a modest cation exchange capacity (CEC), allowing it to retain small amounts of positively charged nutrients and help reduce nutrient leaching—something perlite provides little capacity for. Extremely durable and resistant to breakdown, pumice maintains its structure for many years and can be reused across multiple growing cycles.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"Fine \/ 5L","offer_id":50035025379568,"sku":"PUMICE-FINE-5L","price":16.0,"currency_code":"AUD","in_stock":true},{"title":"Fine \/ 20L","offer_id":50035025412336,"sku":"PUMICE-FINE-20L","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"Coarse \/ 5L","offer_id":50035025445104,"sku":"PUMICE-COARSE-5L","price":16.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/pumicefine.png?v=1784199999"},{"product_id":"scoria","title":"Scoria","description":"\u003cp data-start=\"2597\" data-end=\"2981\" class=\"PDq2pG_selectionAnchorContainer\"\u003eScoria is a natural, locally sourced volcanic rock used to improve drainage, aeration, and structural integrity in growing media. Recognisable by its deep red to dark brown colouring—caused by naturally occurring iron-rich minerals—scoria is a dense, porous aggregate that stays firmly in place within your mix, providing long-lasting aeration and helping resist compaction over time.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2986\" data-end=\"3468\"\u003eAvailable in two grades—fine (1–6 mm average) and coarse (8–10 mm average)—to suit different applications. Fine grade is ideal for potting mixes and containers where consistent aeration is needed without creating large air spaces. Coarse grade delivers greater drainage and airflow for large containers, raised beds, bottom-of-pot drainage layers, or heavier mixes that benefit from improved structure. Both grades can also be blended to achieve a custom particle size distribution.\u003c\/p\u003e\n\u003cp data-start=\"3473\" data-end=\"4034\"\u003eAs a natural volcanic rock, scoria contains silica, iron-bearing minerals, and naturally occurring trace elements that weather only very slowly over time. It also has a modest cation exchange capacity (CEC), allowing it to retain small amounts of positively charged nutrients and help reduce nutrient leaching. Extremely durable and resistant to breakdown, scoria maintains its structure for many years and can be reused across multiple growing cycles. Being locally sourced also helps reduce transport distances compared with many imported volcanic aggregates.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"Coarse \/ 5L","offer_id":50035027378416,"sku":"SCORIA-COARSE-5L","price":12.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/scoriacoarse.png?v=1784200553"},{"product_id":"seaweed-amino-concentrate","title":"Seaweed Amino Concentrate","description":"\u003cp\u003eOur Seaweed Amino Concentrate blends three of the most productive raw materials in organic horticulture: \u003cem\u003eAscophyllum nodosum\u003c\/em\u003e, a cold-water kelp from the North Atlantic; \u003cem\u003eSargassum\u003c\/em\u003e, a warm-water brown macroalga; and a protein hydrolysate rich in free amino acids. Ascophyllum is the most widely used seaweed biostimulant of all, valued because the harsh intertidal zone it grows in forces the plant to load its tissue with protective compounds — the same compounds that make it so useful on land. Its extract is a natural source of phytohormones, polysaccharides and readily absorbed minerals, and pairing it with a protein hydrolysate stacks a concentrated dose of amino acids and short peptides on top.\u003c\/p\u003e\n\u003cp\u003eThat mix is what makes this a biostimulant rather than a straight fertiliser. Rather than pushing a heavy N-P-K load into the soil, it delivers small, biologically active quantities of the signals a plant uses to regulate itself — auxins, cytokinins and gibberellins from the seaweed, plus betaines and mannitol that help plants hold up under drought and osmotic stress. The amino acids and peptides carry a mild hormone-like activity, boost nitrogen uptake, and chelate minerals like iron and zinc so they're taken up more efficiently through roots and leaves. Working \u003cem\u003ewith\u003c\/em\u003e the plant's biology this way, a modest rate delivers steadier growth, stronger roots, better fruit set, more vibrant colour and aroma, and real resilience under heat, cold or transplant shock — without overloading soft growth.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"250ml","offer_id":49986967208176,"sku":"SEA-AMINO-250ML","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"500ml","offer_id":49986967240944,"sku":"SEA-AMINO-500ML","price":25.0,"currency_code":"AUD","in_stock":true},{"title":"1L","offer_id":49986967273712,"sku":"SEA-AMINO-1L","price":45.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/raw_6_6e63032d-32f4-43a1-8891-c0cf770b7495.jpg?v=1783438194"},{"product_id":"humic-fulvic-amino-concentrate","title":"Humic Fulvic Amino Concentrate","description":"\u003cp\u003eOur Humic Fulvic Amino Concentrate is built from three concentrated sources of soil carbon and biology: lignite humates, peat moss, and a quality protein hydrolysate. Lignite — a soft brown coal formed from ancient peat compressed over millions of years — is one of the richest natural sources of humic and fulvic acids, the stable end-products of organic decay. Peat moss adds a broad-spectrum humic fraction of its own, and the protein hydrolysate layers in a wide array of free amino acids. The whole formula is completely soluble in water, so it carries deep into tired, compacted soils rather than sitting on the surface.\u003c\/p\u003e\n\u003cp\u003eThis is a biostimulant rather than a nutrient feed. Humic and fulvic acids work by reshaping the root system and the soil around it — humic substances drive structural and physiological changes in roots that improve nutrient uptake, assimilation and use efficiency, while fulvic acid's small, soluble molecules chelate minerals and shuttle them to the plant, stimulating the root membrane pumps that energise nutrient transport. Both also feed soil biology, lifting the microbial activity that underpins a healthy rhizosphere. The amino acids in the protein hydrolysate add further mineral chelation and give plants and microbes alike a readily used food source, so a modest rate wakes up soil function, drives root growth and establishment, and improves nutrient uptake across the board.\u003c\/p\u003e","brand":"Soil Supply Co.","offers":[{"title":"250ml","offer_id":49987045556464,"sku":"HUMIC-AMINO-250ML","price":5.0,"currency_code":"AUD","in_stock":true},{"title":"500ml","offer_id":49987045589232,"sku":"HUMIC-AMINO-500ML","price":9.0,"currency_code":"AUD","in_stock":true},{"title":"1L","offer_id":49987045622000,"sku":"HUMIC-AMINO-1L","price":16.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1262\/6416\/files\/raw_14.jpg?v=1783439878"}],"url":"https:\/\/soilsupply.co\/collections\/trace-minerals.oembed","provider":"Soil Supply Co.","version":"1.0","type":"link"}