[{"data":1,"prerenderedAt":639},["ShallowReactive",2],{"content-en-hardness-how-to-calculate-tap-water-with-ro-water":3},{"id":4,"title":5,"body":6,"description":631,"extension":632,"meta":633,"navigation":634,"path":635,"seo":636,"stem":637,"__hash__":638},"content/en/help-center/manual/hardness/how-to-calculate-tap-water-with-ro-water.md","Calculating RO and Tap Water Proportions for Aquarium",{"type":7,"value":8,"toc":605},"minimark",[9,25,30,35,46,54,68,74,80,83,87,96,102,108,110,114,123,129,140,146,154,156,160,166,172,190,192,196,199,211,217,223,235,241,243,247,254,259,267,272,280,282,286,290,298,301,304,324,328,336,342,344,348,354,364,370,376,380,382,386,394,400,430,436,438,442,445,449,459,465,474,480,482,485,490,494,502,506,513,518,521,541,543,547,551,562,566],[10,11,12,16,19,22],"ul",{},[13,14,15],"li",{},"aquarium volume 32 L",[13,17,18],{},"water change volume 10 L",[13,20,21],{},"tap water hardness indicators: Gh=10 and Kh=5",[13,23,24],{},"desired water hardness indicators in the water change: Gh=8 and Kh=4.",[26,27,29],"h2",{"id":28},"step-by-step-guide","Step-by-Step Guide",[31,32,34],"h3",{"id":33},"step-1-open-the-hardness-form","Step 1: Open the Hardness Form",[36,37,38],"ol",{},[13,39,40,41,45],{},"In the Samomes main menu, select the ",[42,43,44],"strong",{},"\"Hardness\""," section",[47,48,49],"p",{},[50,51],"img",{"alt":52,"src":53},"1.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/1.png",[36,55,57],{"start":56},2,[13,58,59,60,63,64,67],{},"In the opened form in the ",[42,61,62],{},"\"Tank volume\""," field, enter the value ",[42,65,66],{},"\"32\""," L",[47,69,70],{},[50,71],{"alt":72,"src":73},"2.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/2.png",[47,75,76],{},[50,77],{"alt":78,"src":79},"3.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/3.png",[81,82],"hr",{},[31,84,86],{"id":85},"step-2-configure-water-change-type","Step 2: Configure Water Change Type",[36,88,89],{},[13,90,91,92,95],{},"Select the ",[42,93,94],{},"\"RO + tap water\""," water change type.",[47,97,98],{},[50,99],{"alt":100,"src":101},"4.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/4.png",[47,103,104],{},[50,105],{"alt":106,"src":107},"5.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/5.png",[81,109],{},[31,111,113],{"id":112},"step-3-enter-water-change-volume","Step 3: Enter Water Change Volume",[36,115,116],{},[13,117,118,119,122],{},"In the ",[42,120,121],{},"\"Enter volume or water change percentage\""," section:",[47,124,125],{},[50,126],{"alt":127,"src":128},"6.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/6.png",[10,130,131],{},[13,132,133,136,137,67],{},[42,134,135],{},"In the \"Volume\" field"," enter ",[42,138,139],{},"\"10\"",[47,141,142],{},[50,143],{"alt":144,"src":145},"7.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/7.png",[10,147,148],{},[13,149,150,151],{},"The system will automatically calculate ",[42,152,153],{},"\"Percentage\".",[81,155],{},[31,157,159],{"id":158},"step-4-enter-tap-water-parameters","Step 4: Enter Tap Water Parameters",[47,161,162],{},[50,163],{"alt":164,"src":165},"8.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/8.png",[47,167,168],{},[50,169],{"alt":170,"src":171},"9.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/9.png",[36,173,174,181],{},[13,175,118,176,63,179],{},[42,177,178],{},"\"Tap water Gh\"",[42,180,139],{},[13,182,118,183,63,186,189],{},[42,184,185],{},"\"Tap water Kh\"",[42,187,188],{},"\"5\"",".",[81,191],{},[31,193,195],{"id":194},"step-5-select-mixing-proportions","Step 5: Select Mixing Proportions",[47,197,198],{},"Now begins the process of selecting the correct proportion of diluting tap water with RO. Specify the RO\npercentage, and the system automatically calculates hardness in the aquarium.",[36,200,201],{},[13,202,118,203,206,207,210],{},[42,204,205],{},"\"Osmosis amount\""," field, enter ",[42,208,209],{},"\"15\""," % - the system will calculate hardness indicators Gh=8.5, Kh=4.25.",[47,212,213],{},[50,214],{"alt":215,"src":216},"10.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/10.png",[47,218,219],{},[50,220],{"alt":221,"src":222},"11.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/11.png",[36,224,225],{"start":56},[13,226,227,228,231,232,234],{},"Increase the entered value and enter ",[42,229,230],{},"\"20\""," %** in the ",[42,233,205],{}," field. The system will calculate hardness indicators Gh=8, Kh=4.",[47,236,237],{},[50,238],{"alt":239,"src":240},"12.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/12.png",[81,242],{},[31,244,246],{"id":245},"result-interpretation","Result Interpretation",[47,248,249,250,253],{},"With the setting ",[42,251,252],{},"20% RO + 80% tap water",", we get the following results:",[47,255,256],{},[42,257,258],{},"Mixing volumes:",[10,260,261,264],{},[13,262,263],{},"2 L of RO water (20% of 10 L)",[13,265,266],{},"8 L of tap water (80% of 10 L)",[47,268,269],{},[42,270,271],{},"Prepared water parameters:",[10,273,274],{},[13,275,276,277],{},"In 10 L of water change, we get hardness indicators ",[42,278,279],{},"Gh=8 and Kh=4.",[81,281],{},[26,283,285],{"id":284},"im-testing-water-option","\"I'm testing water\" Option",[31,287,289],{"id":288},"when-to-use","When to use:",[10,291,292,295],{},[13,293,294],{},"Want to change hardness in the aquarium in one water change",[13,296,297],{},"Know current water parameters in the aquarium",[26,299,29],{"id":300},"step-by-step-guide-1",[47,302,303],{},"Initial parameters:",[10,305,306,312,318],{},[13,307,308,309],{},"Tap water hardness indicators: ",[42,310,311],{},"Gh=12, Kh=6",[13,313,314,315],{},"Current aquarium hardness indicators: ",[42,316,317],{},"Gh=10, Kh=5",[13,319,320,321],{},"Desired hardness indicators after water change: ",[42,322,323],{},"Gh=8, Kh=4.",[31,325,327],{"id":326},"step-1-activate-the-i-test-water-option","Step 1: Activate the \"I Test Water\" Option",[36,329,330],{},[13,331,332,333],{},"Check the box next to ",[42,334,335],{},"\"I'm testing water\"",[47,337,338],{},[50,339],{"alt":340,"src":341},"13.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/13.png",[81,343],{},[31,345,347],{"id":346},"step-2-enter-water-change-volume","Step 2: Enter Water Change Volume",[36,349,350],{},[13,351,118,352,122],{},[42,353,121],{},[10,355,356],{},[13,357,118,358,361,362,67],{},[42,359,360],{},"\"Volume\""," field enter ",[42,363,139],{},[47,365,366],{},[50,367],{"alt":368,"src":369},"14.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/14.png",[10,371,372],{},[13,373,150,374],{},[42,375,153],{},[47,377,378],{},[50,379],{"alt":144,"src":145},[81,381],{},[31,383,385],{"id":384},"step-3-enter-initial-water-hardness-indicators","Step 3: Enter Initial Water Hardness Indicators",[36,387,388],{},[13,389,118,390,393],{},[42,391,392],{},"\"Initial hardness\""," section fields, enter corresponding values:",[47,395,396],{},[50,397],{"alt":398,"src":399},"15.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/15.png",[10,401,402,410,417,425],{},[13,403,404,406,407],{},[42,405,178],{},": ",[42,408,409],{},"12",[13,411,412,406,414],{},[42,413,185],{},[42,415,416],{},"6",[13,418,419,406,422],{},[42,420,421],{},"\"Tank Gh\"",[42,423,424],{},"10",[13,426,427],{},[42,428,429],{},"\"Tank Kh\": 5",[47,431,432],{},[50,433],{"alt":434,"src":435},"16.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/16.png",[81,437],{},[31,439,441],{"id":440},"step-4-select-mixing-proportions","Step 4: Select Mixing Proportions",[47,443,444],{},"Now begins the process of selecting the correct proportion of diluting tap water with RO. Specify the RO percentage, and the system automatically calculates hardness in the aquarium.",[47,446,447],{},[50,448],{"alt":215,"src":216},[36,450,451],{},[13,452,118,453,206,455,458],{},[42,454,205],{},[42,456,457],{},"\"50\""," % - the system will calculate hardness indicators, by which you can judge which direction to change the RO percentage. In this example, 50% is insufficient, meaning this value needs to be increased.",[47,460,461],{},[50,462],{"alt":463,"src":464},"17.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/17.png",[36,466,467],{"start":56},[13,468,227,469,231,472,234],{},[42,470,471],{},"\"70\"",[42,473,205],{},[47,475,476],{},[50,477],{"alt":478,"src":479},"18.png","/images/manual/en/hardness/how-to-calculate-tap-water-with-ro-water/18.png",[81,481],{},[31,483,246],{"id":484},"result-interpretation-1",[47,486,249,487,253],{},[42,488,489],{},"70% RO + 30% tap water",[47,491,492],{},[42,493,258],{},[10,495,496,499],{},[13,497,498],{},"7 L of RO water (70% of 10 L)",[13,500,501],{},"3 L of tap water (30% of 10 L)",[47,503,504],{},[42,505,271],{},[10,507,508],{},[13,509,276,510],{},[42,511,512],{},"Gh=3.6 and Kh=1.8.",[47,514,515],{},[42,516,517],{},"Final result in the aquarium:",[47,519,520],{},"After replacing 10 L of water, the aquarium water hardness indicators will change as follows:",[10,522,523,532],{},[13,524,525,528,529],{},[42,526,527],{},"Gh"," will decrease from 10 to ",[42,530,531],{},"8",[13,533,534,537,538,189],{},[42,535,536],{},"Kh"," will decrease from 5 to ",[42,539,540],{},"4",[81,542],{},[26,544,546],{"id":545},"practical-tips","Practical Tips",[31,548,550],{"id":549},"process-optimization","💡 Process Optimization:",[10,552,553,556,559],{},[13,554,555],{},"Start selection with 50/50 proportion, then adjust",[13,557,558],{},"To quickly reduce hardness, increase the RO share",[13,560,561],{},"To save RO water, use the minimum necessary percentage",[26,563,565],{"id":564},"related-materials","Related Materials",[10,567,568,575,581,587,593,599],{},[13,569,570],{},[571,572,574],"a",{"href":573},"/en/help-center/manual/hardness/how-to-work-with-hardness/","Features of Working with the Hardness Section",[13,576,577],{},[571,578,580],{"href":579},"/en/help-center/manual/hardness/how-to-calculate-remineral-for-ro-water/","Calculating Remineralizer Dosage: Step-by-Step Guide for RO Water",[13,582,583],{},[571,584,586],{"href":585},"/en/help-center/manual/hardness/how-to-calculate-complex-conditions/","Calculating Complex Water Preparation Schemes",[13,588,589],{},[571,590,592],{"href":591},"/en/help-center/manual/recipes/how-to-use-recipe-example/","How to Use Ready-Made Recipes?",[13,594,595],{},[571,596,598],{"href":597},"/en/help-center/manual/dosing/how-to-fine-tune-dosing/","How to Fine-Tune Dosing in Samomes?",[13,600,601],{},[571,602,604],{"href":603},"/en/help-center/manual/schedules/how-to-create-schedule/","How to Use the Fertilizer Dosing Schedule in Samomes?",{"title":606,"searchDepth":56,"depth":56,"links":607},"",[608,617,620,627,630],{"id":28,"depth":56,"text":29,"children":609},[610,612,613,614,615,616],{"id":33,"depth":611,"text":34},3,{"id":85,"depth":611,"text":86},{"id":112,"depth":611,"text":113},{"id":158,"depth":611,"text":159},{"id":194,"depth":611,"text":195},{"id":245,"depth":611,"text":246},{"id":284,"depth":56,"text":285,"children":618},[619],{"id":288,"depth":611,"text":289},{"id":300,"depth":56,"text":29,"children":621},[622,623,624,625,626],{"id":326,"depth":611,"text":327},{"id":346,"depth":611,"text":347},{"id":384,"depth":611,"text":385},{"id":440,"depth":611,"text":441},{"id":484,"depth":611,"text":246},{"id":545,"depth":56,"text":546,"children":628},[629],{"id":549,"depth":611,"text":550},{"id":564,"depth":56,"text":565},"In this guide, we'll show how to calculate the correct proportions of mixing RO and tap water to obtain hardness Gh=8 and Kh=4 in an aquarium with the following parameters","md",{},true,"/en/help-center/manual/hardness/how-to-calculate-tap-water-with-ro-water",{"title":5,"description":631},"en/help-center/manual/hardness/how-to-calculate-tap-water-with-ro-water","KlpgnRn-awg21J2zAxNwKAQcrXHTqKA2841nhe4qwuE",1792087583571]