{"product_id":"rainbow-hammer","title":"Rainbow Hammer Multi Head","description":"\u003ch2\u003eRainbow Hammer Multi Head\u003c\/h2\u003e\u003cp\u003eThe Rainbow Hammer is one of the most beloved LPS corals in the reef hobby — and a multi-head specimen takes that love to a whole new level. \u003cem\u003eEuphyllia ancora\u003c\/em\u003e is prized for its large, hammer-shaped tentacle tips that sway hypnotically with the current, and the Rainbow morph adds an extraordinary dimension: a swirling mix of greens, purples, pinks, and golds that shifts and shimmers under reef lighting. A multi-head colony means more color, more movement, and more impact from day one.\u003c\/p\u003e\u003ch3\u003eCoral Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies:\u003c\/strong\u003e Euphyllia ancora (Hammer Coral)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMorph:\u003c\/strong\u003e Rainbow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Multi-head colony\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Beginner to Intermediate — one of the most forgiving LPS corals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth Form:\u003c\/strong\u003e Branching; hammer-shaped tentacle tips\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTank Requirements\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Tank Size:\u003c\/strong\u003e 30 gallons (stable reef)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Temperature:\u003c\/strong\u003e 76–80°F (24–27°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity:\u003c\/strong\u003e 1.025–1.026 specific gravity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 8.1–8.4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlkalinity:\u003c\/strong\u003e 8–11 dKH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium:\u003c\/strong\u003e 400–450 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnesium:\u003c\/strong\u003e 1250–1350 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrate:\u003c\/strong\u003e 2–10 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhosphate:\u003c\/strong\u003e 0.05–0.10 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLighting\u003c\/h3\u003e\u003cp\u003eLow to moderate — PAR 50–150. Place in the lower to mid section of the tank. The rainbow coloration is most vivid and complex under blue\/actinic spectrum lighting.\u003c\/p\u003e\u003ch3\u003eWater Flow\u003c\/h3\u003e\u003cp\u003eLow to moderate, gentle and indirect. Hammer corals need their tentacles to sway freely — avoid direct, strong flow which causes retraction and stress.\u003c\/p\u003e\u003ch3\u003eFeeding\u003c\/h3\u003e\u003cp\u003eTarget feed 1–2 times per week with mysis shrimp, LRS Reef Frenzy, or similar meaty foods. Feeding promotes faster growth and more vibrant coloration across all heads.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggression:\u003c\/strong\u003e Moderate to high — sweeper tentacles extend at night. Keep 6+ inches from non-Euphyllia corals. Compatible with other Euphyllia species (torches, frogspawn, other hammers).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClownfish Host:\u003c\/strong\u003e Yes — hammer corals are a popular clownfish host\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReef Safe:\u003c\/strong\u003e Yes, with proper spacing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes on Photos\u003c\/h3\u003e\u003cp\u003ePhotos taken under reef\/blue lighting to showcase the full rainbow color spectrum. The multi-head nature means each head may display slightly different color expression.\u003c\/p\u003e\u003ch3\u003eLive Arrival Guarantee\u003c\/h3\u003e\u003cp\u003eAll corals ship with our \u003cstrong\u003elive arrival guarantee\u003c\/strong\u003e. Contact us within 2 hours of delivery with a clear photo if there are any concerns, and we will make it right.\u003c\/p\u003e","brand":"Fantastic Reef","offers":[{"title":"Default Title","offer_id":46707627655326,"sku":"RAINBOW_HAMMER","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/9148\/9438\/files\/Rainbow_Hammer_Coral.jpg?v=1776088369","url":"https:\/\/www.fantasticreef.com\/products\/rainbow-hammer","provider":"Fantastic Reef","version":"1.0","type":"link"}