{"product_id":"philips-315w-cmh-lamp","title":"Philips 315w CMH Lamp","description":"\u003cp data-start=\"27\" data-end=\"333\"\u003eThe Philips 315W CMH Lamp is one of the most trusted ceramic metal halide lamps used in professional indoor growing. Designed to deliver a \u003cstrong data-start=\"166\" data-end=\"194\"\u003ebroad, sun-like spectrum\u003c\/strong\u003e, these lamps provide plants with the balanced light they need for strong vegetative growth, healthy development, and productive flowering.\u003c\/p\u003e\n\u003cp data-start=\"335\" data-end=\"690\"\u003eWidely used in \u003cstrong data-start=\"350\" data-end=\"413\"\u003eMaxibright 315W CDM lighting systems and other CMH fixtures\u003c\/strong\u003e, Philips CMH lamps are known for their consistent spectral output and reliable performance. The light produced closely replicates natural sunlight, helping improve plant health, nutrient uptake, and overall crop quality in hydroponics systems, coco, or soil grow environments.\u003c\/p\u003e\n\u003cp data-start=\"692\" data-end=\"800\"\u003eAvailable in two spectrum options, growers can choose a lamp tailored to different stages of indoor growing.\u003c\/p\u003e\n\u003cp data-start=\"802\" data-end=\"818\"\u003e\u003cstrong data-start=\"802\" data-end=\"818\"\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"820\" data-end=\"1291\"\u003e• Sun-like full spectrum lighting for healthy plant development\u003cbr data-start=\"883\" data-end=\"886\"\u003e• High efficiency CMH technology for strong light output\u003cbr data-start=\"942\" data-end=\"945\"\u003e• Promotes vigorous vegetative growth and productive flowering\u003cbr data-start=\"1007\" data-end=\"1010\"\u003e• Improves plant health, flavour, aroma, and crop quality\u003cbr data-start=\"1067\" data-end=\"1070\"\u003e• Compatible with Maxibright 315W Daylight ballasts and similar CMH fixtures\u003cbr data-start=\"1146\" data-end=\"1149\"\u003e• Suitable for hydroponics, coco, soil, grow tents, and grow rooms\u003cbr data-start=\"1215\" data-end=\"1218\"\u003e• Reliable industry-standard 315W CMH lamp used by professional growers\u003c\/p\u003e\n\u003cp data-start=\"1293\" data-end=\"1321\"\u003e\u003cstrong data-start=\"1293\" data-end=\"1321\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1323\" data-end=\"1521\"\u003e• Power: 315 W\u003cbr data-start=\"1337\" data-end=\"1340\"\u003e• Lighting technology: Ceramic Metal Halide (CMH \/ CDM)\u003cbr data-start=\"1395\" data-end=\"1398\"\u003e• Lamp base: PGZX18\u003cbr data-start=\"1417\" data-end=\"1420\"\u003e• Philips MasterColour 942 efficiency: 1.7 μmol\/W\u003cbr data-start=\"1469\" data-end=\"1472\"\u003e• Philips GreenPower 930 efficiency: 1.9 μmol\/W\u003c\/p\u003e\n\u003cp data-start=\"1523\" data-end=\"1543\"\u003e\u003cstrong data-start=\"1523\" data-end=\"1543\"\u003eSpectrum Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1545\" data-end=\"1824\"\u003e\u003cstrong data-start=\"1545\" data-end=\"1582\"\u003ePhilips MasterColour 942 Daylight\u003c\/strong\u003e\u003cbr data-start=\"1582\" data-end=\"1585\"\u003e• Blue-leaning daylight spectrum\u003cbr data-start=\"1617\" data-end=\"1620\"\u003e• Ideal for vegetative growth and early plant development\u003cbr data-start=\"1677\" data-end=\"1680\"\u003e• Encourages tight internodal spacing and strong plant structure\u003cbr data-start=\"1744\" data-end=\"1747\"\u003e• Suitable as a main light source for young plants or supplemental lighting\u003c\/p\u003e\n\u003cp data-start=\"1826\" data-end=\"2097\"\u003e\u003cstrong data-start=\"1826\" data-end=\"1857\"\u003ePhilips GreenPower 930 Agro\u003c\/strong\u003e\u003cbr data-start=\"1857\" data-end=\"1860\"\u003e• Enhanced red spectrum for flowering and bloom stage\u003cbr data-start=\"1913\" data-end=\"1916\"\u003e• Promotes stronger flowering development and improved bud formation\u003cbr data-start=\"1984\" data-end=\"1987\"\u003e• Helps increase aroma, flavour, and final crop quality\u003cbr data-start=\"2042\" data-end=\"2045\"\u003e• Ideal as a primary light source during flowering\u003c\/p\u003e\n\u003cp data-start=\"2099\" data-end=\"2130\"\u003e\u003cstrong data-start=\"2099\" data-end=\"2130\"\u003eHow It Solves Grow Problems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2132\" data-end=\"2437\"\u003eMany indoor growers struggle with weak plant structure, excessive stretch, or poor bud development due to incomplete light spectrums. Philips CMH lamps provide a balanced spectrum similar to natural sunlight, which helps plants grow with stronger stems, tighter node spacing, and improved nutrient uptake.\u003c\/p\u003e\n\u003cp data-start=\"2439\" data-end=\"2733\"\u003eUsing the correct spectrum at each stage also improves flowering performance, helping plants develop denser buds with better flavour and aroma. This makes Philips CMH lamps a reliable choice for growers aiming to maximise yield and crop quality in hydroponic systems, coco, or soil grow setups.\u003c\/p\u003e\n\u003cp data-start=\"2735\" data-end=\"2749\"\u003e\u003cstrong data-start=\"2735\" data-end=\"2749\"\u003eHow to Use\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"2751\" data-end=\"3338\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"s0716w\" data-start=\"2751\" data-end=\"2847\"\u003e\n\u003cp data-start=\"2754\" data-end=\"2847\"\u003eEnsure your grow light fixture is compatible with \u003cstrong data-start=\"2804\" data-end=\"2844\"\u003e315W CMH lamps using a PGZX18 socket\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"np3j5k\" data-start=\"2848\" data-end=\"2940\"\u003e\n\u003cp data-start=\"2851\" data-end=\"2940\"\u003eCarefully install the lamp into the fixture without touching the glass with bare hands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ymv9b6\" data-start=\"2941\" data-end=\"3005\"\u003e\n\u003cp data-start=\"2944\" data-end=\"3005\"\u003eConnect the lighting system to a suitable 315W CMH ballast.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163htj5\" data-start=\"3006\" data-end=\"3130\"\u003e\n\u003cp data-start=\"3009\" data-end=\"3130\"\u003eOn first use, allow the lamp to run continuously for \u003cstrong data-start=\"3062\" data-end=\"3085\"\u003eat least 15 minutes\u003c\/strong\u003e to properly stabilise the internal metals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eqq9s3\" data-start=\"3131\" data-end=\"3248\"\u003e\n\u003cp data-start=\"3134\" data-end=\"3248\"\u003eUse the \u003cstrong data-start=\"3142\" data-end=\"3185\"\u003e942 Daylight lamp for vegetative growth\u003c\/strong\u003e and the \u003cstrong data-start=\"3194\" data-end=\"3228\"\u003e930 Agro lamp during flowering\u003c\/strong\u003e for best results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i7ay9w\" data-start=\"3249\" data-end=\"3338\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"3252\" data-end=\"3338\" data-is-last-node=\"\"\u003eMaintain proper canopy distance and adequate airflow in the grow tent or grow room.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Hydro Crop Shop","offers":[{"title":"Philips 315w \/ 930 AGRO Daylight CMH","offer_id":52710528942346,"sku":null,"price":99.0,"currency_code":"GBP","in_stock":true},{"title":"Philips 315w \/ 942 Daylight CMH","offer_id":52710528975114,"sku":null,"price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/grow-lamp-philips-315w-cmh-lamp-29227630297272.webp?v=1773439858","url":"https:\/\/hydrocropshop.co.uk\/products\/philips-315w-cmh-lamp","provider":"Hydro Crop Shop","version":"1.0","type":"link"}