{"product_id":"canna-d-block","title":"Canna D Block","description":"\u003cp\u003e\u003cstrong\u003eCanna D Block\u003c\/strong\u003e is a nutrient additive designed to prevent the build-up of salts within irrigation lines and spray heads. It should be added right from the start of the growing cycle at 10ml per 100ml of nutrient solution - if used like this then you will never have to worry about blockages ever again.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAdd to the nutrient solution at 10ml per 100 litres\u003c\/strong\u003e. Between cycles, you can use it to flush the entire system, for best results when doing this lower the pH to 5.2 and run for several hours.\u003c\/p\u003e\u003cp\u003eCanna D Block will also help prevent the build-up of precipitant in nutrients tanks where the solution is standing for a long time.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":47703355294034,"sku":"2203","price":24.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/5807\/8034\/products\/1642119749-13015500.jpg?v=1708116608","url":"https:\/\/0cf200.myshopify.com\/products\/canna-d-block","provider":"Greens Horticulture","version":"1.0","type":"link"}