{"title":"Substrates \u0026 Propagation","description":"\u003cp\u003eRockwool, phenolic foam, coco and perlite for germination, rooting and growing.\u003c\/p\u003e","products":[{"product_id":"foam","title":"Phenolic Foam Plate – 2 × 2 × 2.4 cm (225 plugs)","description":"\u003cp\u003ePhenolic foam sheets are a sterile substrate made from phenolic resin, free from fungi and bacteria, used mainly for rooting high-quality seedlings. Their main feature is ideal water retention and aeration for root development, ensuring hygienic seedling production.\u003c\/p\u003e\u003cp\u003eThe sheet comes pre-drilled, and each cell measures 2.0 x 2.0 x 2.4 cm.\u003c\/p\u003e\u003cp\u003eEach sheet has 225 cells = 225 plants!\u003c\/p\u003e\u003ch3\u003eHow to germinate in phenolic foam?\u003c\/h3\u003e\u003cp\u003eThe procedure is as follows:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePlace the sheet in a tray and rinse the foam under running water to remove any manufacturing residue;\u003c\/li\u003e\n\u003cli\u003ePlace 1 to 2 seeds per hole;\u003c\/li\u003e\n\u003cli\u003eLeave the sheet in a shaded place and keep the foam moist with a hand sprayer until the first leaves appear (about 48 hours);\u003c\/li\u003e\n\u003cli\u003eAlways keep the foam moist: if it dries out, it will not reabsorb water;\u003c\/li\u003e\n\u003cli\u003eOnce the 2nd leaf appears, which should happen in 7 to 10 days, the seedling can be moved to the nursery or pre-growth stage. Don’t leave them longer, because by then the plant has used up its reserves and will need nutrients.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":43116108087488,"sku":"10000","price":3.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/010243a-130937-espuma-fenolica_2x2x4.jpg?v=1791998667"},{"product_id":"rockwool-slab-1000-150-75-mm","title":"Rockwool Slab – 1000 × 150 × 75 mm","description":"\u003cp\u003eWrapped 1-metre rockwool grow slab for 3 to 5 plants – ideal for tomatoes, peppers, cucumbers and strawberries. 1 unit = 1 slab.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368136261971,"sku":"GH-SUB-013","price":12.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/07fec71-181519-la-de-rocha-slab.jpg?v=1791978570"},{"product_id":"rockwool-slab-box-1000-150-75-mm-16-pcs","title":"Rockwool Slab Box – 1000 × 150 × 75 mm (16 pcs)","description":"\u003cp\u003eBox of 16 wrapped 1-metre rockwool grow slabs, each for 3 to 5 plants. 1 unit = 1 box = 16 slabs.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368136393043,"sku":"GH-SUB-014","price":79.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/6298477-190202-slab-la-de-rocha_45b3bef1-b7f5-4963-b7e4-7400c521e394.jpg?v=1791978571"},{"product_id":"perlite-100-g","title":"Perlite – 100 g","description":"\u003cp\u003eExpanded perlite is a natural volcanic mineral. It improves aeration and drainage, retains water, lowers substrate density and is sterile and pH-neutral. Grain size 3–6 mm.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368136458579,"sku":"GH-SUB-001","price":0.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/847d6ba-1.png?v=1791978573"},{"product_id":"phenolic-foam-box-2-2-2-4-cm-8-550-plugs","title":"Phenolic Foam Box – 2 × 2 × 2.4 cm (8,550 plugs)","description":"\u003cp\u003eBox of sterile phenolic-resin foam sheets, free of fungi and bacteria, for rooting high-quality seedlings. Ideal water retention and aeration for hygienic, uniform propagation – capacity for 8,550 plants.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368136589651,"sku":"GH-SUB-015","price":89.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/41f983e-110936-espuma-fenolica.webp?v=1791978571"},{"product_id":"perlite-500-g","title":"Perlite – 500 g","description":"\u003cp\u003eExpanded perlite is a natural volcanic mineral. It improves aeration and drainage, retains water, lowers substrate density and is sterile and pH-neutral. Grain size 3–6 mm.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368136622419,"sku":"GH-SUB-002","price":1.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/be30aa1-4.png?v=1791978574"},{"product_id":"perlite-10-l","title":"Perlite – 10 L","description":"\u003cp\u003eExpanded perlite is a natural volcanic mineral. It improves aeration and drainage, retains water, lowers substrate density and is sterile and pH-neutral. Grain size 3–6 mm.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368137048403,"sku":"GH-SUB-003","price":8.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/c5efefc-113431-perlite.jpg?v=1791978572"},{"product_id":"cocomix-premium-coco-substrate-50-l","title":"Cocomix PREMIUM Coco Substrate – 50 L","description":"\u003cp\u003e100% natural coco substrate made of ground and sieved coco fibre. Unfertilised and ready to use, delivered in recyclable 50-litre bags.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368137245011,"sku":"GH-SUB-004","price":16.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/28a965d-fibra-coco.png?v=1791978574"},{"product_id":"biobizz-coco-mix-50-l","title":"BIOBIZZ Coco-Mix – 50 L","description":"\u003cp\u003eOrganic coco substrate to combine with coco nutrients. Coco fibres hold plenty of air and little water, with a pH of 5–6, and suit all hydroponic systems. 50-litre bag.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368138719571,"sku":"GH-SUB-005","price":13.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/a323a26-233117-biobizz-coco-mix-50l.jpg?v=1791978574"},{"product_id":"coco-perlite-70-30-50-l","title":"Coco \u0026 Perlite 70\/30 – 50 L","description":"\u003cp\u003eA premium blend of 70% buffered coco fibre and 30% perlite: stable pH, excellent airflow and improved drainage. Ideal for growing tables and recirculating systems.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368139211091,"sku":"GH-SUB-006","price":17.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/8992c80-183515-coco-perlite.jpg?v=1791978574"},{"product_id":"ugro-pot-9-l-coco-substrate-18-18-6-5-cm","title":"UGRO Pot 9 L – Coco Substrate (18 × 18 × 6.5 cm)","description":"\u003cp\u003eCompressed block of 100% organic coco substrate enriched with Trichoderma. The semi-rigid 9-litre bag becomes the pot itself – just add water and plant.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368139407699,"sku":"GH-SUB-007","price":6.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/f02fa0a-185904-u-gro-coco-pot-9l_0.jpg?v=1791978574"},{"product_id":"ugro-xl-70-l-coco-substrate-brick-30-30-12-cm","title":"UGRO XL 70 L – Coco Substrate Brick (30 × 30 × 12 cm)","description":"\u003cp\u003eCompressed coco brick that expands to 70 litres. Excellent water retention and root aeration for faster growth, with natural Trichoderma against root rot.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368139604307,"sku":"GH-SUB-008","price":22.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/f477ab4-192220-fibra-coco-xl.jpg?v=1791978575"},{"product_id":"rockwool-cube-4-0-2-5-2-5-cm","title":"Rockwool Cube 4.0 × 2.5 × 2.5 cm","description":"\u003cp\u003eRockwool cubes for fast root development – water and nutrient content can be controlled with great precision. Sold individually (1 unit = 1 cube).\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368139866451,"sku":"GH-SUB-009","price":0.13,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/4909824-181158-la-de-rocha.jpg?v=1791978575"},{"product_id":"rockwool-cube-4-0-3-5-3-5-cm","title":"Rockwool Cube 4.0 × 3.5 × 3.5 cm","description":"\u003cp\u003eRockwool cubes for fast root development – water and nutrient content can be controlled with great precision. Sold individually (1 unit = 1 cube).\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368140292435,"sku":"GH-SUB-010","price":0.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/ab093b9-la_rocha_2300c39c-d670-4dbd-811c-e5285d7052c9.jpg?v=1791978576"},{"product_id":"rockwool-cube-tray-4-0-2-5-2-5-cm-155-pcs","title":"Rockwool Cube Tray 4.0 × 2.5 × 2.5 cm (155 pcs)","description":"\u003cp\u003eRockwool cubes for fast root development – water and nutrient content can be controlled with great precision. 1 unit = 1 tray of 155 cubes.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368140456275,"sku":"GH-SUB-011","price":15.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/4b338d4-175530-bandeja-la-rocha_pequena.jpg?v=1791978577"},{"product_id":"rockwool-cube-tray-4-0-3-5-3-5-cm-77-pcs","title":"Rockwool Cube Tray 4.0 × 3.5 × 3.5 cm (77 pcs)","description":"\u003cp\u003eRockwool cubes for fast root development – water and nutrient content can be controlled with great precision. 1 unit = 1 tray of 77 cubes.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368140587347,"sku":"GH-SUB-012","price":15.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/f1df7fe-174636-bandeja-la-rocha.jpg?v=1791978578"},{"product_id":"grow-tray-110-100-cm","title":"Grow Tray 110 × 100 cm","description":"\u003cp\u003eRigid grow tray, ideal for growing on phenolic foam, coco or rockwool, with a single-point drainage outlet.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368485732691,"sku":"GH-SUB-016","price":68.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/7956d92-163833-bandeja-de-cultivo-110x100-cm.webp?v=1791979105"},{"product_id":"grow-tray-33-110-cm","title":"Grow Tray 33 × 110 cm","description":"\u003cp\u003eRigid grow tray, ideal for growing on phenolic foam, coco or rockwool, with a single-point drainage outlet.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368485962067,"sku":"GH-SUB-017","price":29.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/fc146bd-164116-bandeja-de-cultivo-33x110-cm.webp?v=1791979106"},{"product_id":"propagation-tray-72-cells","title":"Propagation Tray – 72 Cells","description":"\u003cp\u003eEconomical, sturdy semi-rigid black plastic tray for germination and propagation.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368487108947,"sku":"GH-SUB-019","price":1.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/df38518-171951-bandeja-propagacao.webp?v=1791979107"},{"product_id":"root-riot-propagation-cubes","title":"Root Riot Propagation Cubes","description":"\u003cp\u003eOrganic propagation cubes for seeds and cuttings, designed for fast, healthy root development.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368500347219,"sku":"GH-SUB-020","price":29.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/25746d7-145114-root-riot.jpg?v=1791979125"},{"product_id":"pro-70-mini-greenhouse-propagator","title":"PRO 70 Mini Greenhouse Propagator","description":"\u003cp\u003eProfessional rigid-plastic mini greenhouse: a base tray plus a transparent lid, for germinating seeds and rooting cuttings.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368512602451,"sku":"GH-SUB-021","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/b67eb9b-171059-propagador-pro-70.webp?v=1791979150"},{"product_id":"heat-mat-10-w-15-25-cm","title":"Heat Mat 10 W – 15 × 25 cm","description":"\u003cp\u003ePremium Heat mat with long-wave infrared technology for propagators and terrariums – gentle bottom heat for faster germination and rooting.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368527085907,"sku":"GH-SUB-022","price":15.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/ae5ffd8-170345-tapete-aquecimento-1525-cm_1.jpg?v=1791979178"},{"product_id":"heat-mat-20-w-35-20-cm","title":"Heat Mat 20 W – 35 × 20 cm","description":"\u003cp\u003ePremium Heat mat with long-wave infrared technology for propagators and terrariums – gentle bottom heat for faster germination and rooting.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368528363859,"sku":"GH-SUB-023","price":22.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/ae5ffd8-170345-tapete-aquecimento-1525-cm_1_8da060df-9286-48ab-987a-a2df1ea96f07.jpg?v=1791979178"},{"product_id":"heat-mat-30-w-50-30-cm","title":"Heat Mat 30 W – 50 × 30 cm","description":"\u003cp\u003ePremium Heat mat with long-wave infrared technology for propagators and terrariums – gentle bottom heat for faster germination and rooting.\u003c\/p\u003e","brand":"GroHo Garden","offers":[{"title":"Default Title","offer_id":55368528494931,"sku":"GH-SUB-024","price":31.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/files\/8e0b9fa-172745-tapete-aquecimento-5030-cm.jpg?v=1791979179"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3283\/0400\/collections\/b67eb9b-171059-propagador-pro-70.webp?v=1791980204","url":"https:\/\/grohogarden.com\/collections\/substrates.oembed","provider":"GroHo Garden","version":"1.0","type":"link"}