{"title":"Reverse Osmosis","description":"\u003cp style=\"margin-bottom: .5rem;\"\u003e\u003cstrong\u003eReverse osmosis (RO) systems\u003c\/strong\u003e produce \u003cem\u003eultra-pure water\u003c\/em\u003e (TDS ~0–5 ppm) for freshwater and marine aquariums: an ideal base for mixing \u003cstrong\u003emarine salt\u003c\/strong\u003e or for precise \u003cstrong\u003eremineralization\u003c\/strong\u003e. No chlorine, chloramines, or metals → maximum stability and fewer algae.\u003c\/p\u003e\n\u003cdetails style=\"margin: .5rem 0 1rem;\"\u003e\n\u003csummary style=\"display: inline-block; cursor: pointer; padding: .55rem 0; color: #006bb3; font-weight: 600;\"\u003eRead more\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: .75rem; line-height: 1.6;\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow it's made:\u003c\/strong\u003e \u003cem\u003epre-filters\u003c\/em\u003e (sediment + carbon block) protect the \u003cem\u003emembrane\u003c\/em\u003e (50–400 GPD). A \u003cem\u003edeionization (DI) resin module\u003c\/em\u003e \"polishes\" the water down to TDS ≈ 0. Useful accessories: \u003cem\u003eTDS meter\u003c\/em\u003e, \u003cem\u003epressure gauge\u003c\/em\u003e, \u003cem\u003eflush valve\u003c\/em\u003e, and \u003cem\u003ebooster pump\u003c\/em\u003e if pressure is low.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuick choice:\u003c\/strong\u003e 3 stages (basic), 4 stages (with DI, recommended), 5+ stages (difficult water or chloramines → \u003cem\u003ecatalytic\u003c\/em\u003e carbon). Evaluate \u003cem\u003eGPD\u003c\/em\u003e (liters\/hour), \u003cem\u003eminimum pressure\u003c\/em\u003e (typ. ≥3 bar), \u003cem\u003ewaste\/product ratio\u003c\/em\u003e, and available spare parts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProper use:\u003c\/strong\u003e perform the \u003cem\u003einitial flush\u003c\/em\u003e and discard the first few liters; measure the \u003cstrong\u003eoutput TDS\u003c\/strong\u003e; keep the circuit clean and the tubes securely connected. Store the produced water in \u003cem\u003efood-grade containers\u003c\/em\u003e in the dark; \u003cem\u003emix\/aerate\u003c\/em\u003e before use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTypical maintenance*:\u003c\/strong\u003e sediment\/carbon every \u003cem\u003e3–6 months\u003c\/em\u003e, \u003cem\u003eDI resins\u003c\/em\u003e when TDS rises, membrane every \u003cem\u003e2–3 years\u003c\/em\u003e. (*Varies based on consumption and tap water quality.)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAquarium notes:\u003c\/strong\u003e with RO, a \u003cu\u003ewater conditioner is not needed\u003c\/u\u003e. For marine aquariums: RO + \u003cb\u003emarine salt\u003c\/b\u003e for water changes; evaporated \u003cb\u003etop-off water\u003c\/b\u003e is \u003cu\u003eonly\u003c\/u\u003e RO water. For freshwater aquariums: RO + \u003cb\u003eremineralizing salts\u003c\/b\u003e (GH+\/GH\u0026amp;KH+) according to species.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/details\u003e\n\u003cp style=\"margin-top: 10px; font-style: italic;\"\u003eTip: size the system based on \u003cstrong\u003eliters\/week\u003c\/strong\u003e and home pressure; add a \u003cstrong\u003ebooster\u003c\/strong\u003e below 3 bar and an in-line \u003cstrong\u003eTDS meter\u003c\/strong\u003e: easy checks, consistent water, fewer tank problems.\u003c\/p\u003e\n\u003cp style=\"font-size: .9rem; color: #555;\"\u003e— Advice from the Hobby Pesca \u0026amp; Acquari Team\u003c\/p\u003e","products":[{"product_id":"whimar","title":"Whimar Osmoline 50","description":"\u003cp\u003eA domestic system for producing virtually pure water, totally free of mineral salts (therefore, conductivity and TDS are zero), which is ideal for use in an aquarium, whether freshwater or marine.\u003c\/p\u003e\n\u003cp\u003eThe system consists of 3 successive stages:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e5-micron transparent sediment cartridge: removes suspended particles, rust residues, and particulate matter from the water; replacement is recommended every 6 months or 3000 liters of produced water; the transparency of the container allows the user to constantly monitor the wear of the cartridge\u003c\/li\u003e\n\n\u003cli\u003eActivated carbon cartridge: removes chlorine, heavy metals, pharmaceutical or pesticide residues, and other substances potentially harmful to the aquarium from the water; it is also recommended to replace it every 6 months or 3000 liters of produced water\u003c\/li\u003e\n\n\u003cli\u003eVontron membrane: specifically developed for use in domestic systems, the ULP1812 series membranes are designed for treating low salinity water, such as that flowing through our aqueducts.\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eWorking at relatively low pressures, the ULP1812s are perfectly suited for use in domestic systems, and particularly for those producing osmotic water for aquariums.\u003c\/p\u003e\n\u003cp\u003eFlush Valve for membrane cleaning:\u003c\/p\u003e\n\u003cp\u003eThe system is equipped with a valve that allows for regular membrane maintenance, extending its average lifespan.\u003c\/p\u003e\n\u003cp\u003eSimply turn the valve knob to cause the waste water to re-enter the vessel and exit where the permeate normally exits; in this way, the membrane undergoes a flushing process that improves its operating conditions.\u003c\/p\u003e\n\u003cp\u003eIncluded in the package are:\u003c\/p\u003e\n\u003cp\u003e– tightening wrench for easier screwing of the cap of the container where the membrane is located\u003c\/p\u003e\n\u003cp\u003e– water supply connector with 3\/4″ female thread (washing machine connection)\u003c\/p\u003e\n\u003cp\u003e– 5mt of 3\/4″ white tubing\u003c\/p\u003e\n\u003cp\u003e– instruction manual in Italian\u003c\/p\u003e","brand":"Whimar","offers":[{"title":"Default Title","offer_id":46049249231011,"sku":"WR-OS101","price":56.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3472\/5027\/files\/WHIMAR-OSMOLINE_sovh4astfbxJ_7c40a9d5-da36-4552-8cc7-1b5de77ae922.jpg?v=1757366045"},{"product_id":"whimar-osmoline-deio-plus-50","title":"Whimar OsmoLine Deio Plus 50","description":"\u003cp\u003e\u003cspan\u003eWhimar OsmoLine Deio, system for the production of osmotic water for use in marine and freshwater aquariums that require pure and deionized water. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eFeatures:\u003c\/u\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eReverse osmosis\u003c\/b\u003e is a mechanical process in which mineral salts are forced to move from the more concentrated solution to the less concentrated one; this process is achieved by subjecting tap water to a pressure greater than the osmotic pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReverse osmosis, that is, is carried out through a membrane that retains mineral salts on one side, preventing their passage and allowing pure water to be isolated on the other side. This phenomenon requires mechanical work to cancel out the effect of osmotic pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the most reliable filtration process available, as it is not simply a matter of placing a physical barrier to the passage of molecules (i.e., it is not a kind of trivial \"filter net\"), but rather a complex process that also takes into account the chemical-physical affinities between the molecules present in the water and the membrane: the membrane, in fact, allows the passage of all those molecules chemically similar to water, while retaining everything that does not have the same compatibility (for example, the mineral salts dissolved in it).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThanks to this process, it is possible to obtain practically pure water completely free of mineral salts (conductivity and TDS are therefore zero), which is ideal for use in an aquarium, whether freshwater or marine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pure water obtained, in fact, can be used to compensate for physiological evaporation without affecting the hardness (total and\/or carbonate) or the conductivity of the water in the aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAppropriately supplemented (or salted in the case of marine aquariums) it can then be used for the usual water changes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhimar In-Line Deio systems consist of four stages:\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003etransparent 5 micron polypropylene sediment cartridge for filtering rust, sand, suspended particles; the cartridge has an average life of approximately 1500 gallons, which should be replaced every 4-6 months to ensure optimal conditions of the osmotic membrane and consistent performance); the transparent casing allows real-time monitoring of the cartridge's wear status, optimizing the frequency of replacements\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003eactivated carbon cartridge whose use eliminates chlorine (which could damage the membrane) and harmful substances that may be present in the water (pesticides, antigritogqamici, etc.); this cartridge also has an average life of approximately 1500 gallons, which should be replaced every 4-6 months to ensure optimal conditions of the osmotic membrane and consistent performance);\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003epost-filter composed of a transparent cartridge inside which an anti-nitrate, phosphate, and silicate deionizing resin acts; the resin changes from green to blue as its deionizing effect is exhausted.\u003cbr\u003eThe transparent cartridge allows constant monitoring of the resin's exhaustion status.\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe system is equipped with an built-in FlushValve for membrane flushing; this extends the average life of the membrane.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBy rotating the valve, the waste water is forced back into the membrane vessel and out of what would otherwise be the osmotic water outlet; in this way, the membrane undergoes the flushing process which improves performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg data-cmp-info=\"10\" align=\"right\" height=\"145\" width=\"150\" alt=\"\" src=\"https:\/\/www.aquariumline.com\/img\/catalog\/userfiles\/image\/OSMOLINE-particolari-picc_-exe-Copia-2.jpg\" class=\"img-fluid\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA\u003cspan\u003ell systems are equipped with quick-fit connectors for standard 1\/4\" hoses with safety clips to prevent pressure from dislodging the hoses from the fitting.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Whimar","offers":[{"title":"Default Title","offer_id":46049249362083,"sku":"WR-OS201","price":72.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3472\/5027\/files\/WHIMAR-OSMOLINE_sovh4astfbxJ.jpg?v=1757366047"},{"product_id":"smart-ato-ro-sistema-automatico-riempimento-acqua-osmotica","title":"Smart ATO RO - Automatic Osmotic Water Top-Off System","description":"\u003ch2 class=\"product-header-title\"\u003eSmart ATO \u003cspan class=\"light\"\u003eRO\u003c\/span\u003e\n\n\u003c\/h2\u003e\n\u003cp\u003eThe Smart ATO RO is a device for automatically and reliably refilling your RO or RO\/DI osmotic water tank. As soon as the water level reaches the tank's low-level sensor, refilling automatically begins to fill the tank until the high-level sensor is reached.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eAvoids TDS fluctuations in your tank\u003c\/li\u003e\n\n\u003cli\u003eEnsures you always have good quality water for your aquariums\u003c\/li\u003e\n\n\u003cli\u003eNo more need to remember to switch off your RO or RO\/DI system\u003c\/li\u003e\n\n\u003cli\u003eOptimal protection against accidental overflows\u003c\/li\u003e\n\n\u003cli\u003eEasily repositionable magnetic mounted dual sensors\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cdetails\u003e\n\u003csummary\u003e📖 Read more\u003c\/summary\u003e\n\u003ch3\u003eSmart and simple\u003c\/h3\u003e\n\n\u003cp\u003eThe Smart ATO RO's touch controller indicates the operating status, and the integrated QST (Quick Security Technology) provides real-time protection against any malfunction. No technical jargon or complex menus, the Smart ATO RO is very simple to use and features an audible alarm and an LED indicator that informs you about what's happening in your tank.\u003c\/p\u003e\n\n\u003ch3\u003eSmall and compact\u003c\/h3\u003e\n\n\u003cp\u003eThe dual optical sensors in a very small module ensure dual protection that is perfect for both small and large tanks. The integrated magnetic mount has no moving parts that could fail. Accurate detection helps maintain the stability of your aquarium.\u003c\/p\u003e\n\n\u003ch3\u003eReliable and durable\u003c\/h3\u003e\n\n\u003cp\u003eAll the elements used are of high quality and are included in the set, allowing you to install the system in a few minutes, while ensuring high reliability.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eSystem equipped with two precise dual sensors\u003c\/li\u003e\n\n\u003cli\u003eSafety float switch\u003c\/li\u003e\n\n\u003cli\u003eMagnetic mounted sensors\u003c\/li\u003e\n\n\u003cli\u003eTouch controller with LED display\u003c\/li\u003e\n\n\u003cli\u003eQST (Quick Security Technology)\u003c\/li\u003e\n\n\u003cli\u003eIntegrated audible alarm\u003c\/li\u003e\n\n\u003cli\u003eQuick installation in minutes\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003c\/details\u003e","brand":"Autoaqua","offers":[{"title":"Default Title","offer_id":46536359870627,"sku":"SATO-460V","price":149.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3472\/5027\/files\/Schermata2025-11-18alle12.03.19.png?v=1763464105"},{"product_id":"whimar-aquapure-resin-dr-ultra-500ml","title":"Whimar AquaPure Resin Dr Ultra 500ml","description":"\u003cp\u003e\u003cstrong\u003eReady-to-use mixed-bed deionizing resin with color-changing exhaustion indicator, designed for the removal of nitrates, phosphates, and silicates.\u003c\/strong\u003e Perfect as a post-filter in ultrapure osmotic water production systems.\u003c\/p\u003e\u003cp\u003e500ml format. The color change from green to blue indicates the resin's exhaustion status.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003e📖 Read more\u003c\/summary\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 500 ml\u003c\/li\u003e\n\n\u003cli\u003eReady-to-use mixed bed resin\u003c\/li\u003e\n\n\u003cli\u003eColor-changing exhaustion indicator (green → blue)\u003c\/li\u003e\n\n\u003cli\u003eHigh-quality blend for direct water purification\u003c\/li\u003e\n\n\u003cli\u003eOptimized component ratio for high deionizing capacity\u003c\/li\u003e\n\n\u003cli\u003eIdeal for post-filter in osmosis systems\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eFunctions\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eNitrate removal\u003c\/li\u003e\n\n\u003cli\u003ePhosphate removal\u003c\/li\u003e\n\n\u003cli\u003eSilicate removal\u003c\/li\u003e\n\n\u003cli\u003eUltrapure osmotic water production\u003c\/li\u003e\n\n\u003cli\u003eEffective deionization\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eGeneral Technical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Spherical beads\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMoisture content (max):\u003c\/strong\u003e 62%\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eParticle size distribution:\u003c\/strong\u003e 300 – 1200 µm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFraction \u0026lt; 300 µm (max):\u003c\/strong\u003e 1%\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eUniformity coefficient (max):\u003c\/strong\u003e 1.7\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSpecific gravity:\u003c\/strong\u003e 700 – 735 g\/L (43.8 – 45.9 lb\/ft³)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNon-regenerable bed temperature limit:\u003c\/strong\u003e 100°C (212.0°F)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eRegenerable bed temperature limit:\u003c\/strong\u003e 60°C (140.0°F)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eComposition - Cationic Component (40%)\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eType:\u003c\/strong\u003e Strong gelular cationic\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePolymer structure:\u003c\/strong\u003e Gelular polystyrene cross-linked with divinylbenzene\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFunctional group:\u003c\/strong\u003e Sulfonic acid\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eIonic form:\u003c\/strong\u003e H+\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eVolumetric ratio:\u003c\/strong\u003e 40%\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eComposition - Anionic Component (60%)\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eType:\u003c\/strong\u003e Macroporous strong base anion type I\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePolymer structure:\u003c\/strong\u003e Macroporous polystyrene cross-linked with divinylbenzene\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFunctional group:\u003c\/strong\u003e Quaternary ammonium type I\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eIonic form:\u003c\/strong\u003e OH–\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eVolumetric ratio:\u003c\/strong\u003e 60%\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eReady to use without preparation\u003c\/li\u003e\n\n\u003cli\u003eVisual exhaustion indicator\u003c\/li\u003e\n\n\u003cli\u003eHigh deionizing capacity\u003c\/li\u003e\n\n\u003cli\u003eMultiple pollutant removal\u003c\/li\u003e\n\n\u003cli\u003eOptimized cationic\/anionic ratio (40\/60)\u003c\/li\u003e\n\n\u003cli\u003eSuitable for various operating temperatures\u003c\/li\u003e\n\n\u003cli\u003eUniform particle size\u003c\/li\u003e\n\n\u003cli\u003ePractical 500ml format\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Uses\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eReverse osmosis system post-filter\u003c\/li\u003e\n\n\u003cli\u003eUltrapure water production for aquariums\u003c\/li\u003e\n\n\u003cli\u003eNitrate, phosphate, and silicate removal\u003c\/li\u003e\n\n\u003cli\u003eWater deionization\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003c\/details\u003e\u003cp\u003e\u003cstrong\u003e💡 Expert Tip:\u003c\/strong\u003e Monitor the color change from green to blue to replace the resin at the right time and always maintain maximum deionization efficiency of your osmosis system.\u003c\/p\u003e","brand":"Whimar","offers":[{"title":"Default Title","offer_id":47368440643747,"sku":"WR-33000","price":13.3,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3472\/5027\/files\/Resin-500ml-Vecchio_lafBLKMJyAlq.png?v=1772037419"}],"url":"https:\/\/hobbypescaeacquari.live\/en\/collections\/osmosi-inversa.oembed","provider":"HobbyPesca","version":"1.0","type":"link"}