{"product_id":"maxspect-jump-mj-l230r-led-refugium-light-saltwater","title":"Maxspect Jump MJ-L230R | LED Refugium Light Fixture for Saltwater Macroalgae Growth","description":"\u003cp\u003eThe \u003cstrong\u003eMaxspect Jump MJ-L230R\u003c\/strong\u003e is a compact, dedicated \u003cstrong\u003erefugium LED light fixture\u003c\/strong\u003e engineered to drive vigorous macroalgae growth in your sump or display refugium. Combining a 6500K daylight white channel with a deep red horticultural channel, the MJ-L230R delivers the exact photosynthetic spectrum that \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/chaetomorpha-macro-algae-chaetomorpha-linum-saltwater-refugium\"\u003eChaetomorpha\u003c\/a\u003e and other macroalgae need to outcompete nuisance algae and export nitrate and phosphate from your reef. Browse more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-water\"\u003esaltwater equipment\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Dedicated Refugium Light\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted spectrum\u003c\/strong\u003e — 6500K white + horticultural red maximizes Chaeto growth rate and density.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural nutrient export\u003c\/strong\u003e — growing macroalgae pulls nitrate and phosphate out of your reef without chemicals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact form\u003c\/strong\u003e — gooseneck mount fits over most sump refugium chambers without taking up display real estate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow energy, low heat\u003c\/strong\u003e — LED efficiency keeps the sump cool and your power bill down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt tough\u003c\/strong\u003e — aluminum heat sink and IP-rated construction stand up to the humid sump environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSetup \u0026amp; Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e — flexible gooseneck arm clamps to the rim of most sumps and display refugiums; adjust height and angle to suit chamber depth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotoperiod\u003c\/strong\u003e — run on a reverse cycle from your display lights (8–12 hours during your tank's \"night\") to stabilize pH around the clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistance\u003c\/strong\u003e — mount 4–8″ above the macroalgae for best growth without bleaching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance\u003c\/strong\u003e — harvest a third to half of the Chaeto every 1–2 weeks to keep nutrient export at peak efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px; width: 35%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eMaxspect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eJump MJ-L230R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eLED refugium light fixture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e\u003cstrong\u003eSpectrum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e6500K white + horticultural red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eChaetomorpha \u0026amp; other macroalgae in saltwater sumps\/refugiums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eAdjustable gooseneck clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e\u003cstrong\u003eWater Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eSaltwater \/ Reef\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e256381\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/chaetomorpha-macro-algae-chaetomorpha-linum-saltwater-refugium\"\u003eChaetomorpha Macro Algae\u003c\/a\u003e — the classic refugium algae for nutrient export.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/brightwell-aquatics-chaetogro-250ml\"\u003eBrightwell ChaetoGrō (250 mL)\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/brightwell-aquatics-chaetogro-500ml\"\u003e500 mL\u003c\/a\u003e — trace-element supplement formulated specifically for Chaeto growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/maxspect-jump-mj-gf316-gyre-flow-pump-with-controller\"\u003eMaxspect Jump MJ-GF316 Gyre\u003c\/a\u003e — sister Jump-series gyre flow pump for the display.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-water\"\u003eAll saltwater supplies\u003c\/a\u003e | \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/aquaillumination\"\u003eAquaIllumination lighting\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this work as a main reef tank light?\u003c\/strong\u003e\u003cbr\u003e\nA: No. The MJ-L230R is purpose-built for refugium algae growth, not coral. For reef display lighting, consider an \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquailumination-212459-prime-16-hd-led-reef-light-white\"\u003eAquaIllumination Prime 16 HD\u003c\/a\u003e or a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefled-g2-60-led-light-fixture\"\u003eRed Sea ReefLED G2 60\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why run it on a reverse cycle?\u003c\/strong\u003e\u003cbr\u003e\nA: Macroalgae consume CO2 and produce O2 during daylight, which raises pH. Running the refugium light at night offsets the natural pH drop that happens when display photosynthesis stops, keeping pH stable around the clock.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What kind of refugium does this fit?\u003c\/strong\u003e\u003cbr\u003e\nA: The gooseneck clamp fits most sump-style refugium chambers and external display refugiums. Adjust the arm height to suit your chamber depth.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is it safe in a humid sump environment?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes — the MJ-L230R is built with sealed electronics and an aluminum heat sink suited to the humidity above an open sump.\u003c\/p\u003e","brand":"Maxspect","offers":[{"title":"Default Title","offer_id":48736508182747,"sku":"256381","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_e3919e84-a374-4d58-9a6b-9be1d4a17c51.png?v=1777726567","url":"https:\/\/squeakysaquatics.com\/products\/maxspect-jump-mj-l230r-led-refugium-light-saltwater","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}