{"product_id":"modern-reef-rks-7-7x-reef-engine-core","title":"Modern Reef RKS 7.7x – Reef Engine Core 7.7x High Concentrate 4x5L Set","description":"\u003cp\u003eNEW FORMULA CAN BE DILUTED THEREFORE ELIMINATING THE BLUE VERSION. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModern Reef RKS 7.7x – Reef Engine Core 7.7x High Concentrate 4x5L Set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModern Reef Reef Keeping System (RKS) – Reef Engine Core 7.7x High Concentrate\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e4 x 5L Set: Base KH1, Base KH2, Base CAL \u0026amp; Base MAG\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eModern Reef RKS 7.7x Reef Engine Core\u003c\/span\u003e\u003cspan\u003e is an advanced all-in-one proportional consumption reef keeping system designed to provide the foundation for exceptional coral growth, colouration and long-term reef aquarium stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModern Reef RKS combines \u003c\/span\u003e\u003cspan\u003ecarbonate hardness (KH), calcium, magnesium, essential trace elements, organic and inorganic micronutrients, and amino acids\u003c\/span\u003e\u003cspan\u003e into an easy-to-manage four-part dosing system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003e7.7x High Concentrate Reef Engine Core\u003c\/span\u003e\u003cspan\u003e is designed for demanding modern reef aquariums, including SPS-dominant systems and Acropora-focused reef tanks where consistent element availability and stable water chemistry are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDeveloped around the proportional consumption method used by \u003c\/span\u003e\u003cspan\u003eAkil of Euro Corals\u003c\/span\u003e\u003cspan\u003e, Modern Reef RKS provides elements in proportion to the aquarium’s consumption of KH and calcium. Once you determine your reef aquarium’s maintenance dosage and ideal KH level, RKS is designed to supply the reef proportionally as those elements are consumed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModern Reef RKS forms the foundation of the \u003c\/span\u003e\u003cspan\u003eModern Reef Proportional Consumption Reef Keeping System\u003c\/span\u003e\u003cspan\u003e and is designed to be used alongside \u003c\/span\u003e\u003cspan\u003eModern Reef Complete Reef Food and Polypop\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat Is Modern Reef RKS 7.7x?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModern Reef RKS 7.7x\u003c\/span\u003e\u003cspan\u003e, also known as \u003c\/span\u003e\u003cspan\u003eReef Engine Core 7.7x\u003c\/span\u003e\u003cspan\u003e, is a four-part concentrated reef dosing system consisting of:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBASE KH1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBASE KH2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBASE CAL\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBASE MAG\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eTogether, these four solutions provide the core macro and micro elements required by a modern reef aquarium while using the aquarium’s own consumption to determine dosing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead of individually dosing numerous trace elements, amino acids and colour-enhancing additives, the Modern Reef Reef Keeping System is designed around \u003c\/span\u003e\u003cspan\u003eequal-part proportional dosing\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes RKS especially attractive for aquarists looking for a complete \u003c\/span\u003e\u003cspan\u003eModern Reef dosing system for SPS corals, Acropora and mixed reef aquariums\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefits of Modern Reef RKS 7.7x Reef Engine Core\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eDeveloped to enhance difficult \u003c\/span\u003e\u003cspan\u003eyellow and orange coral pigments\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHelps enhance \u003c\/span\u003e\u003cspan\u003ered, pink, blue and purple pigmentation\u003c\/span\u003e\u003cspan\u003e, particularly in the body tissue and polyps of Acropora corals\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eStimulates non-fluorescent \u003c\/span\u003e\u003cspan\u003echromoproteins\u003c\/span\u003e\u003cspan\u003e for improved coral pigmentation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for modern reef aquariums using predominantly blue-spectrum lighting to enhance fluorescent proteins and reflective pigments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSupports strong coral growth when combined with \u003c\/span\u003e\u003cspan\u003eModern Reef Complete Reef Food\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoral growth can be increased further with an appropriate white-spectrum component, although increased growth will also increase RKS consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps improve water clarity by encouraging the propagation of sponges and sea squirts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduces the need to constantly test calcium and magnesium once the aquarium’s ideal KH and proportional consumption have been established\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes amino acids, mixed trace elements and other components commonly supplied through separate coral colouration and growth products\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eUses a \u003c\/span\u003e\u003cspan\u003eproportional consumption reef keeping system\u003c\/span\u003e\u003cspan\u003e designed to reduce unnecessary accumulation and overdosing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFree of nitrates (NO3) and phosphates (PO4)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to adapt to different reef aquarium setups and nutrient export methods\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSuitable for demanding \u003c\/span\u003e\u003cspan\u003eSPS and Acropora reef aquariums\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHighly concentrated \u003c\/span\u003e\u003cspan\u003e7.7x formula\u003c\/span\u003e\u003cspan\u003e for efficient dosing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for SPS \u0026amp; Acropora Colouration\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModern Reef RKS 7.7x was developed with particular attention to some of the most difficult coral pigments reef keepers attempt to achieve.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe system is designed to enhance \u003c\/span\u003e\u003cspan\u003eyellow and orange pigments\u003c\/span\u003e\u003cspan\u003e while also supporting deeper reds, pinks, blues and purples.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is especially beneficial for \u003c\/span\u003e\u003cspan\u003eAcropora corals\u003c\/span\u003e\u003cspan\u003e, where pigmentation of both the coral body and polyps can dramatically affect the appearance of a colony.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRKS also stimulates non-fluorescent chromoproteins, helping produce colouration beyond fluorescence alone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor reef aquariums running modern blue-heavy LED lighting, Reef Engine Core 7.7x is designed to support the fluorescent proteins and reflective pigments responsible for many of the vivid colours seen in high-end SPS reef aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProportional Consumption Reef Keeping\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe key difference between \u003c\/span\u003e\u003cspan\u003eModern Reef RKS\u003c\/span\u003e\u003cspan\u003e and conventional reef dosing systems is its proportional consumption approach.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead of continually adding individual supplements based on separate schedules, RKS uses \u003c\/span\u003e\u003cspan\u003eKH and calcium consumption as indicators of the reef aquarium’s overall demand\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOnce the correct maintenance dose and ideal KH level have been established, the four RKS components are dosed in equal proportions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows \u003c\/span\u003e\u003cspan\u003eModern Reef Reef Engine Core 7.7x\u003c\/span\u003e\u003cspan\u003e to adapt to the consumption of your individual aquarium instead of forcing the aquarium to conform to a predetermined dosing schedule.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor many reef keepers, this can significantly simplify the maintenance of an SPS or mixed reef aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eComplete Four-Part Modern Reef Dosing System\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach \u003c\/span\u003e\u003cspan\u003eModern Reef RKS 7.7x 4x5L set\u003c\/span\u003e\u003cspan\u003e includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e5L BASE KH1\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e5L BASE KH2\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e5L BASE CAL\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e5L BASE MAG\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe four-part liquid system contains essential trace elements found in natural seawater along with organic and inorganic micronutrients and amino acids.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor the complete proportional consumption method, Modern Reef recommends using RKS with \u003c\/span\u003e\u003cspan\u003eModern Reef Complete Reef Food and Polypop\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConcentration:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e10ml x100 liters will raise 2dKH\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePreparation:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModern Reef All-in-one RKS is ready to use 4-equal parts liquid. It can be dosed by hand, but it is recommended to be used using a dosing pump. Especially for SPS dominant reef aquariums. Preferable with a dosing pump that can be calibrated with 4 heads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf your doser has only 3 heads, you can combine one part of BASE-KH1 with one part of BASE-KH2 in one canister or container. In this case, you will have to multiply the combined BASE KH1 and KH2 dosage by 2.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease consider these tips to improve the pump performance for accurate dosing and a stable reef aquarium:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe tubing from the canisters to the dosing pump heads should have the same length, and also from the pumps to your aquarium should have the same length. This will make the pumps have the same conditions, and calibration will be more constant between them.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eCalibrate your dosing pump following the recommendation of the manufacturer. Don’t forget to check the calibration every 6 months and recalibrate if needed.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eSet the doser to dose equal parts and give at least 10 minutes between each dosing pump. Ideally, start with KH1, then CAL, then KH2, then MAG, with a 10-15 minutes gap.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eSpread the daily dosage as many times as your dosing pump allows it per day.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDosage:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSimply dose equal parts from each to keep KH between 6.8-8dKH, and all the rest will be proportionally kept. For the first 2 weeks, try to find the ideal KH level for your reef aquarium light spectrum based on calcium consumption. In other words, please dose equal parts to keep calcium stable between 380-420ppm and then test your KH to find your Ideal KH level keeping it between 6.8-8dKH. This way, our Modern Reef All-in-one RKS will adapt to your aquarium setup consumption and not the other way around.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExample 1: If you are dosing equal parts from each to keep KH at 7.5 and your calcium is going down, raise your dosage to increase and keep KH at 7.7 and check calcium again. Repeat if needed. Once you find the ideal KH level for your tank, you don’t need to test calcium often.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExample 2: If you are dosing equal parts from each to keep KH at 8 and your calcium is going up, lower your dosage to decrease and keep KH at 7.8 and check calcium again. Repeat if needed. Once you find the ideal KH level for your tank, you don’t need to test calcium often.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur Modern Reef All-in-one RKS doesn’t need to be shaken or any type of magnetic stirrer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePrecaution:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYou don’t need to use any product like amino acids, mixed trace elements or any other tagged for coral coloration, polyp extensions, or growth. All are included by proportional consumption except solid food. Avoid them when using this product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease keep this product in the dark or shadow place. Never under direct sun or any other type of light. Preferable to be used in the original canisters that they come with. If you have transparent containers, make sure that there is no light source near them. Direct strong light can make some elements unstable, and because this product contains a sort of “life source”, some microorganisms may start multiplying in the transparent containers if direct light is present. The original canisters should protect the liquid enough from any light, but it is better to avoid direct sun or aquarium light.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product doesn’t need to be refrigerated, but if you need to store it, do it in a cool place.\u003c\/span\u003e\u003c\/p\u003e","brand":"Modern Reef","offers":[{"title":"5L","offer_id":53230858076320,"sku":null,"price":184.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/9227\/4848\/files\/8E90B762-1E7C-4561-8F09-1ADFFB2DF551.png?v=1789506725","url":"https:\/\/www.parisreefshop.ca\/products\/modern-reef-rks-7-7x-reef-engine-core","provider":"Paris Reef Shop","version":"1.0","type":"link"}