{"title":"lettermail","description":"","products":[{"product_id":"plantguys-slow-release-substrate-fertilizer-50-100-or-200-tabs-free-shipping","title":"PlantGuy's Slow Release Substrate Fertilizer (free shipping)","description":"\u003cp\u003ePlantGuy's Slow Release Substrate Fertilizer is a great way to keep your aquarium plants healthy and vibrant. It comes in 25 pre-made capsules or 75 fill-your-own capsules, and is available with free shipping.\u003c\/p\u003e\n\u003cp\u003eThis fertilizer is designed to slowly release nutrients into the substrate, providing a steady supply of essential minerals and vitamins to your plants. It is easy to use and can be applied directly to the substrate.\u003c\/p\u003e\n\u003cp\u003eHowever, it is important to use this fertilizer with caution in tanks with invertebrates, as it may cause harm to them. PlantGuy's Slow Release Substrate Fertilizer is a great way to keep your aquarium plants healthy and vibrant.\u003c\/p\u003e","brand":"Evenspray","offers":[{"title":"50 fill your own","offer_id":32995409887317,"sku":"","price":13.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1937\/7081\/files\/subtabsbag.png?v=1772978648"},{"product_id":"copy-of-plantguys-all-in-one-500ml-pump-bottle-combo-free-shipping","title":"The PlantGuy  All in One Low tech 500ml- Shrimp safe  (free shipping)","description":"\u003cp\u003e\u003cspan\u003eThe PlantGuy's All-In-One Fertilizer is a highly concentrated liquid fertlizer.  Most commercial fertilizers in pet stores are watered down overpriced products.  Our all in one combines the macros and micros together.  Many other commercial fertilizer producers sell a bottle for each nutrient.  N, P, K, Micros.  This one package replaces all of those. If you do want them separately we have that option in our store as well (for a fraction of the cost you will pay at your LFS).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA note on Shrimp safe:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Certain products are advertised online as being \"shrimp safe\".  This is not false advertising however it insinuates that all other products that aren't labeled as such must not be shrimp safe.  As a result of this clever marketing strategy i receive multiple emails a week asking me if my product is shrimp safe.so in order to save myself time and unnecessary confusion for the customer  , i am now advertising my product as shrimp safe.  The reality is that most if not all fertilizers are safe for shrimp .  The danger for shrimp is the level of copper in the micronutrient.  Copper is \u003cstrong\u003eessential\u003c\/strong\u003e for shrimp but at very high levels it becomes toxic (to other inhabitants as well).  A number that seems to appear quite often when doing research on the toxicity of copper to shrimp and fish  is\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"wDYxhc\" data-md=\"83\" lang=\"en-CA\"\u003e\n\u003cdiv class=\"di3YZe\"\u003e\n\u003cdiv class=\"RqBzHd\"\u003e\n\u003cul class=\"i8Z77e\"\u003e\n\u003cli class=\"TrT0Xe\"\u003e\n\u003cstrong\u003eshrimps is 0.03 mg\/l\u003c\/strong\u003e (mg per litre).\u003c\/li\u003e\n\u003cli class=\"TrT0Xe\"\u003ealgae and bacteria is 0.08 mg\/l.\u003c\/li\u003e\n\u003cli class=\"TrT0Xe\"\u003esome fish, snails, and plants are 0.10 mg\/l.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOur high tech version actually uses less micronutrient than our low tech version and leans more on the iron (Fe) as a result has a lower copper content.  Here are the copper content of our fertilizers.  If you still feel uncomfortable using our product then please use a copper free \"shrimp safe\" product.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHigh tech- 0.001093664 mg\/L\u003c\/p\u003e\n\u003cp\u003eLow tech- 0.002187328 mg\/L\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eINSTRUCTIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYou will receive 1x All-In-One packs. Put one  into a bottle.  Mix with 500ml distilled or RO water.  Mixture can take up to a day to completely dissolve.  Keep out of direct sunlight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDOSING:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDose 2ml per 10 gallons of water 3 times a week.  Adjust dosage as needed\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv lang=\"en-CA\" data-md=\"83\" class=\"wDYxhc\"\u003e\n\u003cdiv class=\"di3YZe\"\u003e\n\u003cdiv class=\"RqBzHd\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cpre data-ccp-timestamp=\"1541944835322\"\u003e\u003c\/pre\u003e\n\u003cpre data-ccp-timestamp=\"1541078288148\"\u003e\u003c\/pre\u003e","brand":"Evenspray","offers":[{"title":"Default Title","offer_id":32919080042581,"sku":"PGFT016","price":14.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1937\/7081\/files\/lowtechbag.png?v=1772939889"},{"product_id":"copy-of-copy-of-copy-of-the-plantguys-npk-and-micro-ei-index-fertilizer-daily-dose-500ml-refill-free-shipping","title":"The PlantGuy Estimative index fertilizer daily dose- 500ml refill  (free shipping)","description":"\u003ch1\u003eMix each package in a 500ml container. Shake well.  It may take a day to completely dissolve. \u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eThe Estimative Index Method. The Estimative Index (EI)\u003c\/strong\u003e\u003cspan\u003e coined by Tom Barr is a straightforward method for providing nutrients for a planted tank. The idea behind EI is simply introducing an excess amount of nutrients within an \u003c\/span\u003e\u003ca class=\"vglnk\" title=\"Link added by VigLink\" target=\"_blank\" href=\"http:\/\/www.amazon.com\/gp\/search?ie=UTF8\u0026amp;camp=1789\u0026amp;creative=9325\u0026amp;index=aps\u0026amp;keywords=aquarium\u0026amp;linkCode=ur2\" rel=\"nofollow noopener noreferrer\"\u003eaquarium\u003c\/a\u003e\u003cspan\u003e, throughout the week. This excess of nutrients floods the water column and feeds the plants. This is an estimative method; measuring specific nutrient uptake rates is not necessary and no test kits are involved. EI provides a surplus of nutrients that helps to prevents plant deficiencies, and allows plant growth to out compete algae growth. \u003c\/span\u003e\u003c\/p\u003e","brand":"Evenspray","offers":[{"title":"Default Title","offer_id":12203629215829,"sku":"PGFT017","price":14.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1937\/7081\/files\/ChatGPT_Image_Mar_8_2026_09_41_30_AM.png?v=1772981296"},{"product_id":"aqua-vitae-perpetual-preservation-system-fertilizer-daily-dose-500ml-refill-free-shipping","title":"The PlanGuy Perpetual preservation system- 500ml refill  (free shipping)","description":"\u003ch1\u003eMix each package in a 500ml container. Shake well.  It may take a day to completely dissolve. \u003c\/h1\u003e\n\u003cp\u003e\u003cspan color=\"#444444\"\u003e\u003cstrong\u003ePPS-Pro\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem is easy to use and is the least expensive system in comparison to any other fertilizer. It is designed especially for aquascapers who want a system that is performing well, doesn’t need much testing and tweaking and also works with all\u003cspan\u003e \u003c\/span\u003e\u003cspan face=\"arial,sans-serif\"\u003elights\u003c\/span\u003e\u003cspan face=\"arial,sans-serif\"\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan face=\"arial,sans-serif\"\u003esubstrates\u003c\/span\u003e\u003c\/span\u003e\u003cspan color=\"#444444\"\u003e\u003cspan face=\"arial,sans-serif\"\u003e, no water changes and large water changes. Entirely 100% planted aquariums with reasonable fish load.\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Evenspray","offers":[{"title":"Default Title","offer_id":12986399227989,"sku":"PGFT022","price":12.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1937\/7081\/files\/ChatGPT_Image_Mar_8_2026_09_55_48_AM.png?v=1772981773"},{"product_id":"the-plantguy-all-in-one-high-tech-500ml-shrimp-safe-free-shipping-1","title":"The PlantGuy  All in One High tech 500ml- Shrimp safe  (free shipping)","description":"\u003cp\u003e\u003cspan\u003eThe PlantGuy's Aqua Vitae All-In-One Fertilizer is a highly concentrated liquid fertlizer.  Most commercial fertilizers in pet stores are watered down overpriced products.  Our all in one combines the macros and micros together.  Many other commercial fertilizer producers sell a bottle for each nutrient.  N, P, K, Micros.  This one package replaces all of those. If you do want them separately we have that option in our store as well (for a fraction of the cost you will pay at your LFS).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA note on Shrimp safe:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Certain products are advertised online as being \"shrimp safe\".  This is not false advertising however it insinuates that all other products that aren't labeled as such must not be shrimp safe.  As a result of this clever marketing strategy i receive multiple emails a week asking me if my product is shrimp safe.so in order to save myself time and unnecessary confusion for the customer  , i am now advertising my product as shrimp safe.  The reality is that most if not all fertilizers are safe for shrimp .  The danger for shrimp is the level of copper in the micronutrient.  Copper is \u003cstrong\u003eessential\u003c\/strong\u003e for shrimp but at very high levels it becomes toxic (to other inhabitants as well).  A number that seems to appear quite often when doing research on the toxicity of copper to shrimp and fish  is\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"wDYxhc\" data-md=\"83\" lang=\"en-CA\"\u003e\n\u003cdiv class=\"di3YZe\"\u003e\n\u003cdiv class=\"RqBzHd\"\u003e\n\u003cul class=\"i8Z77e\"\u003e\n\u003cli class=\"TrT0Xe\"\u003e\n\u003cstrong\u003eshrimps is 0.03 mg\/l\u003c\/strong\u003e (mg per litre).\u003c\/li\u003e\n\u003cli class=\"TrT0Xe\"\u003ealgae and bacteria is 0.08 mg\/l.\u003c\/li\u003e\n\u003cli class=\"TrT0Xe\"\u003esome fish, snails, and plants are 0.10 mg\/l.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOur high tech version actually uses less micronutrient than our low tech version and leans more on the iron (Fe) as a result has a lower copper content.  Here are the copper content of our fertilizers.  If you still feel uncomfortable using our product then please use a copper free \"shrimp safe\" product.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHigh tech- 0.001093664 mg\/L\u003c\/p\u003e\n\u003cp\u003eLow tech- 0.002187328 mg\/L\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eINSTRUCTIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYou will receive 1x All-In-One packs. Put one  into a bottle.  Mix with 500ml distilled or RO water.  Mixture can take up to a day to completely dissolve.  Keep out of direct sunlight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDOSING:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDose 2ml per 10 gallons of water 3 times a week.  Adjust dosage as needed\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv lang=\"en-CA\" data-md=\"83\" class=\"wDYxhc\"\u003e\n\u003cdiv class=\"di3YZe\"\u003e\n\u003cdiv class=\"RqBzHd\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cpre data-ccp-timestamp=\"1541944835322\"\u003e\u003c\/pre\u003e\n\u003cpre data-ccp-timestamp=\"1541078288148\"\u003e\u003c\/pre\u003e","brand":"Evenspray","offers":[{"title":"Default Title","offer_id":50986872766768,"sku":"PGFT016","price":14.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1937\/7081\/files\/hightechbag.png?v=1772940811"}],"url":"https:\/\/theplantguy.ca\/collections\/lettermail.oembed","provider":"The PlantGuy","version":"1.0","type":"link"}