{"product_id":"gold-label-ultra-led-boost","title":"Gold Label Ultra LED Boost – PK Booster for LED Flowering","description":"\u003ch2\u003eA high-P\/K booster tuned to the spectrum LED grow lights actually put out\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGold Label Ultra LED Boost\u003c\/strong\u003e is a phosphorus and potassium flowering additive (\u003cstrong\u003eNPK 0-15-15\u003c\/strong\u003e) developed alongside Gold Label's Ultra LED base feed to match the way plants respond under full-spectrum LED fixtures rather than legacy HPS lighting. It slots in as a straightforward late-stage top-up on top of any base feed, pushing flower and fruit development through the second half of flowering without upsetting the wider nutrient balance.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-concentration P\/K formula (0-15-15)\u003c\/strong\u003e targeted at flowering and fruiting demand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeveloped for LED spectrum growing\u003c\/strong\u003e, alongside Gold Label's Ultra LED No.1 \u0026amp; No.2 base feed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with any base nutrient\u003c\/strong\u003e, not just the Ultra LED range, as a straight booster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-concentration liquid\u003c\/strong\u003e keeps dose rates low and bottle life long.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDutch-manufactured\u003c\/strong\u003e to Gold Label's usual consistency and quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLED fixtures push a different balance of wavelengths through the canopy than HPS, and a booster designed around older lighting doesn't always land the same way under full-spectrum LEDs. Ultra LED Boost was formulated specifically to complement that spectrum, so growers running modern LED setups get a P\/K top-up tuned to their actual light source rather than a generic one.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlowering weeks 3 onward:\u003c\/strong\u003e add at the manufacturer's recommended rate alongside your base feed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShake well before use\u003c\/strong\u003e and introduce gradually into an existing feed schedule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor EC\/pH\u003c\/strong\u003e as with any concentrated additive, adjusting the base feed strength to compensate.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNPK:\u003c\/strong\u003e 0-15-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e liquid flowering\/fruiting booster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse with:\u003c\/strong\u003e any base nutrient, optimised for LED-lit grows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e manufactured in Holland\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Gold Label","offers":[{"title":"1L","offer_id":53798878347530,"sku":"NUT-GOLD-012-01","price":37.95,"currency_code":"GBP","in_stock":true},{"title":"5L","offer_id":53798878380298,"sku":"NUT-GOLD-012-02","price":77.95,"currency_code":"GBP","in_stock":true},{"title":"10L","offer_id":53798878413066,"sku":"NUT-GOLD-012-03","price":112.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/gold-label-ultra-led-boost-1l-1.jpg?v=1790169466","url":"https:\/\/hydrocropshop.co.uk\/products\/gold-label-ultra-led-boost","provider":"Hydro Crop Shop","version":"1.0","type":"link"}