{"product_id":"growth-technology-ph-buffer-7-1l","title":"Growth Technology pH Buffer 7 - 1L","description":"\u003cp\u003e\u003cstrong\u003epH BUFFER 7\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are solutions of known and exact pH.\u003c\/p\u003e\n\u003cp\u003eIf your pH meter doesn’t read pH 7 (or pH 4) when the probe is put into the buffer then the meter is wrong and needs calibrating.\u003c\/p\u003e\n\u003cp\u003eWe recommend that the meter is checked with pH 7 Buffer at least once a week, and checked with pH 4 buffer at least monthly.\u003c\/p\u003e\n\u003cp\u003eEach pH meter comes with instructions on how to calibrate the meter.\u003c\/p\u003e\n\u003cp\u003ePour enough buffer from the bottle to cover the glass end of the probe when calibrating, and discard the solution after. It isn’t best practice to return used buffer to the bottle it came from.\u003c\/p\u003e\n\u003cp\u003eCorrect pH of hydroponic nutrient solutions is critical.\u003c\/p\u003e\n\u003cp\u003eMineral absorption by the roots is pH dependent.\u003c\/p\u003e\n\u003cp\u003eIf the pH is outside the range of pH 5.5 to pH 6.5 then plants will have increasing difficulty absorbing minerals and a mineral deficiency would soon develop even though in all other respects the hydroponic nutrient is OK.\u003c\/p\u003e\n\u003cp\u003eThe pH should be checked when the nutrient solution is first made, and if used in a recirculating system, the pH should be checked every day.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45642241605711,"sku":null,"price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/6760\/6863\/files\/Growth-technology-pH-buffer-7-1L_700x_6c15e8fa-eada-400f-86f9-372632fe1a4f.webp?v=1781019514","url":"https:\/\/centralhydroponics.com.au\/products\/growth-technology-ph-buffer-7-1l","provider":"Central hydroponics","version":"1.0","type":"link"}