{"title":"Supplements and additives","description":"\u003cp\u003eBrowse our Supplements and additives collection. Best Price.\u003c\/p\u003e","products":[{"product_id":"perlite","title":"Perlite","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/USAOKsmall.png?10084454810838945626=\u0026amp;width=700\" alt=\"OK to ship to USA\" title=\"This product can be shipped internationally\" align=\"right\"\u003e\u003cstrong\u003eHorticultural Perlite\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/ravenvision.ca\/images\/perlite.JPG?width=700\" style=\"margin: 20px 20px;\" width=\"150\" align=\"left\"\u003e Perlite (smaller chunks than Sponge Rock, but of the same material) is a naturally occurring, mixed glassy silicate of volcanic origin which 'pops' when furnaced. Its unique internal structure consists of numerous tiny closed air cells surrounded by a large exterior irregular surface. Expanded Perlite is ultra-lightweight, inert, sterile, permanent, incombustible, asbestos- free, non-toxic, rot and vermin proof and has a neutral pH. Its extremely large, open surface area allows it to retain water in mixes while maintaining air spaces, important for healthy root growth.\u003c\/p\u003e\n\u003cbr\u003eWe use Perlite as part of our Fine Orchid Mix.","brand":"Ravenvision Orchid Supplies","offers":[{"title":"3 litre","offer_id":48198550421669,"sku":"czt1788063168216","price":2.88,"currency_code":"USD","in_stock":true},{"title":"1 litre","offer_id":48198550454437,"sku":"uir1788063168217","price":2.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/perlite_1.jpg?v=1788063175"},{"product_id":"crushed-oyster-shell","title":"Crushed Oyster Shell","description":"\u003cp\u003e\u003cimg title=\"This product can be shipped internationally\" alt=\"OK to ship to USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/USAOKsmall.png?10084454810838945626=\u0026amp;width=700\" align=\"right\"\u003eImportant to the health of limestone (calcium carbonate) loving Paphiopedilums.  In nature, they are frequently found in limestone outcroppings.  \u003c\/p\u003e\n\u003cp\u003eOther orchids such as Phalaenopsis, Cattleya and Dendrobium do not like excessive calcium carbonate.  \u003cstrong\u003eThis product is not for them. \u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eAdd 1 heaping teaspoon to the pot every three months.\u003c\/p\u003e\n\u003cp\u003eThis is a small container weighing about 350g. Oyster Shell is a natural organic source of calcium and trace minerals for calcium loving orchids such as Paphs. It is 96% calcium carbonate , a gentle source of elemental calcium. Use as a topdressing and replace when gone. The variable particle size allows for immediate and long term release. Oyster shell is basic and is used to raise pH in orchid mix.\u003c\/p\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/oYhhZL2lFHE\" title=\"YouTube video player\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"\u003e\u003c\/iframe\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"Default Title","offer_id":48198550487205,"sku":"vnt1788063168342","price":2.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/crushed-oyster-shell_1.png?v=1788063176"},{"product_id":"large-sponge-rock-4","title":"Large Sponge Rock (#4)","description":"\u003cp\u003e\u003cstrong\u003e3 litre box of horticultural Sponge Rock\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe same composition as perlite but in larger chunks, Sponge Rock is a naturally occurring, mixed glassy silicate of volcanic origin which 'pops' when furnaced. Its unique internal structure consists of numerous tiny closed air cells surrounded by a large exterior irregular surface. Sponge Rock is ultra-lightweight, inert, sterile, permanent, incombustible, asbestos- free, non-toxic, rot and vermin proof and has a neutral pH. Its extremely large, open surface area allows it to retain water in mixes while maintaining air spaces, important for healthy root growth.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eWe use Sponge Rock as part of our Medium Orchid Mix.\u003c\/p\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"Default Title","offer_id":48198550552741,"sku":"smg1788063174277","price":4.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/large-sponge-rock-4_1.jpg?v=1788063182"},{"product_id":"hydroton","title":"Hydroton","description":"\u003cp\u003eHydroton® can be used in a number of applications. This clay can be used in potting, or for improvement of the media you are currently using.\u003cbr\u003e\u003cbr\u003eHydroton® has a high absorption rate and can hold water up to 80% of it’s volume\u003cbr\u003eIt is a pure and natural mineral without additives. It has a coarse porosity.\u003cbr\u003eIt does not rot, is weather and frost resistant. It is completely odourless and clean, free of fungus and parasites.\u003cbr\u003eIt can be mixed with other orchid media, or be used on its own.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"3 litres","offer_id":48198550618277,"sku":"xhp1788063174469","price":4.48,"currency_code":"USD","in_stock":true},{"title":"1 litre","offer_id":48198550651045,"sku":"dcw1788063174470","price":2.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/hydroton_1.jpg?v=1788063182"},{"product_id":"vermiculite","title":"Vermiculite","description":"\u003cp\u003e\u003cimg title=\"This product can be shipped internationally\" alt=\"OK to ship to USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/USAOKsmall.png?10084454810838945626=\u0026amp;width=700\" align=\"right\"\u003e Horticultural grade Vermiculite is an ideal addition  to finer grade potting mixes.  It is lightweight, odourless, chemically inert, non-toxic, incombustible, and rot resistant.  Vermiculite is a naturally occurring material that helps aerate and loosen the potting media.  It also helps with water retention.  It is part of our Fine Base Orchid Mix and can be used with sphagnum to make a light, moisture retentive mix for new plants. \u003c\/p\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ZEhiQwdBL7s\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003cdiv class=\"notranslate\" style=\"all: initial;\"\u003e\u003cimg alt=\"Made in Canada\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/madeinCAN.png?v=1739761027\u0026amp;width=700\" width=\"85\" height=\"85\"\u003e\u003c\/div\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"3 litre","offer_id":48198550683813,"sku":"qcd1788063175978","price":3.08,"currency_code":"USD","in_stock":true},{"title":"1 litre","offer_id":48198550716581,"sku":"rnk1788063175979","price":2.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/vermiculite_1.jpg?v=1788063183"},{"product_id":"canadian-horticultural-charcoal-regular","title":"Canadian Horticultural Charcoal - Regular","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/USAOKsmall.png?10084454810838945626=\u0026amp;width=700\" alt=\"OK to ship to USA\" title=\"This product can be shipped internationally\" align=\"right\"\u003e\u003cstrong\u003eGranulated charcoal - Canadian Hardwood\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCharcoal is often used as a component in orchid potting mix because it is inert (will not decay), allows flow of air through the potting mix, and some believe, it binds certain toxins from the metabolism (breakdown) of the organic components of the potting mix. Charcoal is made in Canada from hardwood (mostly sugar maple) through a pyrolysis process\u003c\/p\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/WMZ-rFTn-wY\" allowfullscreen=\"\" width=\"420\" height=\"315\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003cp\u003eMost commonly, charcoal is only one ingredient. Most potting mixes have both organic and inorganic components. These are needed in the proper balance to help keep moisture ot the roots, provide some nutrition, permit air movement through the mix, and help to firmly anchor the plant in its pot. We include charcoal in all of our custom mixes.\u003c\/p\u003e\n\u003cp\u003eIn our experience, we have found that adding charcoal helps \"sweeten\" the mix. It prolongs the life of the media so you don't have to re-pot as often. Also, as the media breaks down, which happens naturally over time, the charcoal will minimize any foul odour which rotting fir bark can cause.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Canada\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor some suggestions on making your own mix, check out this video from Brad's Greenhouse\u003c\/p\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"3 litres","offer_id":48198550749349,"sku":"iga1788063178091","price":5.68,"currency_code":"USD","in_stock":true},{"title":"1 litre","offer_id":48198550782117,"sku":"bcn1788063178092","price":3.2,"currency_code":"USD","in_stock":true},{"title":"Cubic Foot 28.3litres","offer_id":48198550814885,"sku":"wqb1788063178093","price":42.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/canadian-horticultural-charcoal---regular_1.jpg?v=1788063186"},{"product_id":"canadian-horticultural-charcoal-extra-fine","title":"Canadian Horticultural Charcoal - Extra Fine","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/USAOKsmall.png?10084454810838945626=\u0026amp;width=700\" alt=\"OK to ship to USA\" title=\"This product can be shipped internationally\" align=\"right\"\u003e\u003cstrong\u003eExtra Fine Granulated Charcoal - Canadian Hardwood\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis produced is custom screened and is smaller and more uniform than the Regular Charcoal. It is suitable in a mix of other finer grained substrates.\u003c\/p\u003e\n\u003cp\u003eCharcoal is often used as a component in orchid potting mix because it is inert (will not decay), allows flow of air through the potting mix, and some believe, it binds certain toxins from the metabolism (breakdown) of the organic components of the potting mix. Charcoal is made in Canada from hardwood (mostly sugar maple) through a pyrolysis process\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/H-BShHwX6QQ\" width=\"420\" height=\"315\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003eMost commonly, charcoal is only one ingredient. Most potting mixes have both organic and inorganic components. These are needed in the proper balance to help keep moisture ot the roots, provide some nutrition, permit air movement through the mix, and help to firmly anchor the plant in its pot. We include charcoal in all of our custom mixes.\u003c\/p\u003e\n\u003cp\u003eIn our experience, we have found that adding charcoal helps \"sweeten\" the mix. It prolongs the life of the media so you don't have to re-pot as often. Also, as the media breaks down, which happens naturally over time, the charcoal will minimize any foul odour which rotting fir bark can cause.\u003c\/p\u003e\n\u003cp\u003eFor some suggestions on making your own mix, check out this video from Brad's Greenhouse\u003c\/p\u003e\n\u003cdiv style=\"all: initial;\" class=\"notranslate\"\u003e\u003cimg height=\"85\" width=\"85\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/madeinCAN.png?v=1739761027\u0026amp;width=700\" alt=\"Made in Canada\"\u003e\u003c\/div\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"3 litres","offer_id":48198550847653,"sku":"iru1788063179364","price":4.88,"currency_code":"USD","in_stock":true},{"title":"1 litre","offer_id":48198550880421,"sku":"htl1788063179365","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Cubic Foot - 28.3litres","offer_id":48198550913189,"sku":"rid1788063179366","price":43.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/canadian-horticultural-charcoal---extra-fine_1.jpg?v=1788063187"},{"product_id":"small-lava-rock","title":"Small Lava Rock","description":"\u003cp\u003eLava rock is a high quality for hydroponic orchid growing.  Lava rock provides more air to the roots, and less moisture than in more typical fir bark media, and does not decompose, which means less repotting.  This is especially great for orchids which do not like to be moved. This size is suitable for orchids such as Cattleyas and Phalaenopsis  3 litres.\u003c\/p\u003e\n\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/TD7PLXWcONE\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"Default Title","offer_id":48198550978725,"sku":"tvj1788063183274","price":9.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/small-lava-rock_1.jpg?v=1788063190"},{"product_id":"canadian-horticultural-charcoal-unsifted","title":"Canadian Horticultural Charcoal - Unsifted","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/USAOKsmall.png?10084454810838945626=\u0026amp;width=700\" alt=\"OK to ship to USA\" title=\"This product can be shipped internationally\" align=\"right\"\u003e\u003cstrong\u003eGranulated Charcoal - Canadian Hardwood\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis produced is unsifted,  It contains both our regular and extra fine charcoal.\u003c\/p\u003e\n\u003cp\u003eCharcoal is often used as a component in orchid potting mix because it is inert (will not decay), allows flow of air through the potting mix, and some believe, it binds certain toxins from the metabolism (breakdown) of the organic components of the potting mix. Charcoal is made in Canada from hardwood (mostly sugar maple) through a pyrolysis process\u003c\/p\u003e\n\u003cp\u003eMost commonly, charcoal is only one ingredient. Most potting mixes have both organic and inorganic components. These are needed in the proper balance to help keep moisture ot the roots, provide some nutrition, permit air movement through the mix, and help to firmly anchor the plant in its pot. We include charcoal in all of our custom mixes.\u003c\/p\u003e\n\u003cp\u003eIn our experience, we have found that adding charcoal helps \"sweeten\" the mix. It prolongs the life of the media so you don't have to re-pot as often. Also, as the media breaks down, which happens naturally over time, the charcoal will minimize any foul odour which rotting fir bark can cause.\u003c\/p\u003e\n\u003cp\u003eFor some suggestions on making your own mix, check out this video from Brad's Greenhouse\u003c\/p\u003e\n\u003cdiv class=\"notranslate\" style=\"all: initial;\"\u003e\u003cimg alt=\"Made in Canada\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/madeinCAN.png?v=1739761027\u0026amp;width=700\" width=\"85\" height=\"85\"\u003e\u003c\/div\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"3 litres","offer_id":48198551044261,"sku":"vti1788063191772","price":4.83,"currency_code":"USD","in_stock":true},{"title":"1 litre","offer_id":48198551077029,"sku":"wtz1788063191773","price":2.44,"currency_code":"USD","in_stock":true},{"title":"Cubic Foot 28.3litres","offer_id":48198551109797,"sku":"rhf1788063191774","price":37.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/canadian-horticultural-charcoal---unsifted_1.jpg?v=1788063200"},{"product_id":"extra-large-sponge-rock-8","title":"Extra Large Sponge Rock (#8)","description":"\u003cp\u003e\u003cstrong\u003e3 litre box of horticultural Sponge Rock\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe same composition as perlite but in larger chunks - end even larger than the #4 grade.   Sponge Rock is a naturally occurring, mixed glassy silicate of volcanic origin which 'pops' when furnaced. Its unique internal structure consists of numerous tiny closed air cells surrounded by a large exterior irregular surface. Sponge Rock is ultra-lightweight, inert, sterile, permanent, incombustible, asbestos- free, non-toxic, rot and vermin proof and has a neutral pH. Its extremely large, open surface area allows it to retain water in mixes while maintaining air spaces, important for healthy root growth.\u003c\/p\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"Default Title","offer_id":48198551142565,"sku":"fsz1788063192156","price":4.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/extra-large-sponge-rock-8_1.jpg?v=1788063200"},{"product_id":"paph-magic","title":"Paph Magic","description":"\u003cp\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1117\/8518\/files\/USAOKsmall.png?10084454810838945626=\u0026amp;width=700\" alt=\"OK to ship to USA\" title=\"This product can be shipped internationally\" align=\"right\"\u003ePotting Mix amendment for Superior Paphiopedilum Culture \u003c\/b\u003e Provides slow release calcium and silica for strong, shiny leaves and increased vigour. Gently raises pH to optimal levels. \u003cb\u003eDOSE:\u003c\/b\u003e Every 3 months sprinkle 1 heaping teaspoon on to the surface of a 2 1\/4 inch pot. 2 heaping teaspoons for a 4 to 5 inch pot, or 4 heaping teaspoons for a 6 inch pot. Can also be mixed in when re-potting. This container holds approximately 30 teaspoons.\u003c\/p\u003e\n\u003cp\u003eThis product is intended for use on Paphiopedilums only.  Other orchids will not benefit from it and may suffer damage from unbalanced pH levels.  \u003c\/p\u003e","brand":"Ravenvision Orchid Supplies","offers":[{"title":"Paph Magic","offer_id":48198551175333,"sku":"qfx1788063192554","price":4.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1878\/2629\/files\/paph-magic_1.jpg?v=1788063200"}],"url":"https:\/\/www.evergreenporch.shop\/collections\/supplements-and-additives.oembed","provider":"My Store","version":"1.0","type":"link"}