{"title":"Brightwell Minerals \u0026 Water Supplements","description":"\u003cp\u003eMineral and hardness supplements for freshwater aquariums. Compare GH and KH support, check species requirements, and test your source water before choosing. These supplements do not replace a chlorine and chloramine conditioner.\u003c\/p\u003e\u003ch2\u003ePrepare purified water with measurements\u003c\/h2\u003e\u003cp\u003eRead our \u003ca href=\"\/blogs\/about-axolotls\/ro-water-for-axolotls-gh-kh-remineralizing\"\u003eGH, KH and RO remineralizing guide\u003c\/a\u003e and compare the \u003ca href=\"\/products\/axolotl-ro-water-kit\"\u003eRO Water Kit\u003c\/a\u003e. Account for overlapping mineral contributions before dosing.\u003c\/p\u003e","products":[{"product_id":"florin-delta-gh","title":"Florin Delta GH+","description":"\u003cp\u003e\u003cstrong\u003eFlorin Delta GH+\u003c\/strong\u003e by Brightwell Aquatics. Mineral supplement supplying calcium, magnesium and potassium for purified or soft freshwater.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEstablishes proper K+, Mg2+ \u0026amp; Ca2+ in purified and soft water for all planted aquaria.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eEstablishes an optimal mineral balance in water that has been purified or is exceedingly-soft for all freshwater planted aquaria, as well as for biotope aquaria housing fishes indigenous to forested and\/or riverine habitats.\u003c\/li\u003e\n\u003cli\u003eSupplies potassium, magnesium, and calcium that are vital to the overall health of aquatic plants (higher solubility than competing supplements).\u003c\/li\u003e\n\u003cli\u003eMay be used to establish beneficial water parameters in aquaria filled with purified water, to replenish depleted mineral concentrations in aquaria that rarely receive a water change, and to re-establish mineral concentrations following large water changes.\u003c\/li\u003e\n\u003cli\u003eProvides trace chloride.\u003c\/li\u003e\n\u003cli\u003eMade in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing and using this product\u003c\/h2\u003e\u003cp\u003eMatch this product to your aquarium type, actual water volume and measured water conditions. Follow the current label for preparation, compatibility and dosage.\u003c\/p\u003e\u003ch2\u003eRelated supplies and guides\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/brightwell-minerals-water-supplements\"\u003eBrightwell Minerals \u0026amp; Water Supplements\u003c\/a\u003e or read our \u003ca href=\"\/blogs\/about-axolotls\/ro-water-for-axolotls-gh-kh-remineralizing\"\u003eRO water, GH and KH preparation guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"Brightwell Direct","offers":[{"title":"250 g","offer_id":67719610564860,"sku":"FDGH250","price":12.94,"currency_code":"USD","in_stock":true},{"title":"500 g","offer_id":67719610597628,"sku":"FDGH500","price":21.68,"currency_code":"USD","in_stock":true},{"title":"1 kg","offer_id":67719610630396,"sku":"FDGH1000","price":34.94,"currency_code":"USD","in_stock":true},{"title":"4 kg","offer_id":67719610663164,"sku":"FDGH4KG","price":121.54,"currency_code":"USD","in_stock":true},{"title":"20 kg","offer_id":67719610695932,"sku":"FDGH20KG","price":514.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/files\/FlorinDeltaGH__10in.png?v=1792086596"},{"product_id":"remineraliz-p","title":"Remineraliz-P","description":"\u003cp\u003e\u003cstrong\u003eRemineraliz-P\u003c\/strong\u003e by Brightwell Aquatics. Powder mineral supplement for RO, DI and distilled freshwater aquarium water.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEstablishes mineral balance in purified (RO\/DI) and soft water for all freshwater and planted aquariums.\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReconstitutes Reverse Osmosis, Deionized or Distilled Water for freshwater aquarium use. \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdds minerals that have been removed by those filtration methods.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProvides potassium, calcium, magnesium, and sodium for overall health and osmoregulation of fishes, invertebrates, and aquatic plants.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMade in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing and using this product\u003c\/h2\u003e\u003cp\u003eMatch this product to your aquarium type, actual water volume and measured water conditions. Follow the current label for preparation, compatibility and dosage.\u003c\/p\u003e\u003ch2\u003eRelated supplies and guides\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/brightwell-minerals-water-supplements\"\u003eBrightwell Minerals \u0026amp; Water Supplements\u003c\/a\u003e or read our \u003ca href=\"\/blogs\/about-axolotls\/ro-water-for-axolotls-gh-kh-remineralizing\"\u003eRO water, GH and KH preparation guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"Brightwell Direct","offers":[{"title":"250 g","offer_id":67719616528636,"sku":"RMNP250","price":10.41,"currency_code":"USD","in_stock":true},{"title":"500 g","offer_id":67719616561404,"sku":"RMNP500","price":17.49,"currency_code":"USD","in_stock":true},{"title":"1 kg","offer_id":67719616594172,"sku":"RMNP1000","price":28.1,"currency_code":"USD","in_stock":true},{"title":"4 kg","offer_id":67719616626940,"sku":"RMNP4KG","price":97.83,"currency_code":"USD","in_stock":true},{"title":"20 kg","offer_id":67719616659708,"sku":"RMNP20KG","price":377.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/files\/Remineraliz-P_10in.png?v=1792086609"},{"product_id":"florin-delta-kh","title":"Florin Delta KH+","description":"\u003cp\u003e\u003cstrong\u003eFlorin Delta KH+\u003c\/strong\u003e by Brightwell Aquatics. Carbonate-hardness supplement for freshwater buffering. Test pH and KH before dosing.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncreases alkalinity (carbonate hardness or buffering capacity) in\u003cbr\u003e freshwater aquaria with a target pH of 7.8 or less.\u003c\/li\u003e\n\u003cli\u003eImproves stability of pH.\u003c\/li\u003e\n\u003cli\u003eSafe for use in all freshwater community and planted aquaria.\u003c\/li\u003e\n\u003cli\u003eComposed of USP-grade ingredients.\u003c\/li\u003e\n\u003cli\u003eContains no phosphate-based buffering agents.\u003c\/li\u003e\n\u003cli\u003eMade in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing and using this product\u003c\/h2\u003e\u003cp\u003eMatch this product to your aquarium type, actual water volume and measured water conditions. Follow the current label for preparation, compatibility and dosage.\u003c\/p\u003e\u003ch2\u003eRelated supplies and guides\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/brightwell-minerals-water-supplements\"\u003eBrightwell Minerals \u0026amp; Water Supplements\u003c\/a\u003e or read our \u003ca href=\"\/blogs\/about-axolotls\/ro-water-for-axolotls-gh-kh-remineralizing\"\u003eRO water, GH and KH preparation guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"Brightwell Direct","offers":[{"title":"250 g","offer_id":67719616725244,"sku":"FDKH250","price":11.86,"currency_code":"USD","in_stock":true},{"title":"500 g","offer_id":67719616758012,"sku":"FDKH500","price":19.89,"currency_code":"USD","in_stock":true},{"title":"1 kg","offer_id":67719616790780,"sku":"FDKH1000","price":32.02,"currency_code":"USD","in_stock":true},{"title":"4 kg","offer_id":67719616823548,"sku":"FDKH4KG","price":111.41,"currency_code":"USD","in_stock":true},{"title":"20 kg","offer_id":67719616856316,"sku":"FDKH20KG","price":472.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/files\/FlorinDeltaKH__10in.png?v=1792086609"},{"product_id":"remineraliz","title":"Remineraliz","description":"\u003cp\u003e\u003cstrong\u003eRemineraliz\u003c\/strong\u003e by Brightwell Aquatics. Liquid mineral supplement for RO, DI and distilled freshwater aquarium water.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEstablishes mineral balance in purified (RO\/DI) and soft water for all freshwater and planted aquariums.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReconstitutes Reverse Osmosis, Deionized or Distilled Water for freshwater aquarium use. \u003c\/li\u003e\n\u003cli\u003eAdds minerals that have been removed by those filtration methods.\u003c\/li\u003e\n\u003cli\u003eProvides potassium, calcium, magnesium, and sodium for overall health and osmoregulation of fishes, invertebrates, and aquatic plants.\u003c\/li\u003e\n\u003cli\u003eMade in the USA.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing and using this product\u003c\/h2\u003e\u003cp\u003eMatch this product to your aquarium type, actual water volume and measured water conditions. Follow the current label for preparation, compatibility and dosage.\u003c\/p\u003e\u003ch2\u003eRelated supplies and guides\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/brightwell-minerals-water-supplements\"\u003eBrightwell Minerals \u0026amp; Water Supplements\u003c\/a\u003e or read our \u003ca href=\"\/blogs\/about-axolotls\/ro-water-for-axolotls-gh-kh-remineralizing\"\u003eRO water, GH and KH preparation guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"Brightwell Direct","offers":[{"title":"250 ml","offer_id":67719616921852,"sku":"RMN250","price":10.08,"currency_code":"USD","in_stock":true},{"title":"500 ml","offer_id":67719616954620,"sku":"RMN500","price":16.33,"currency_code":"USD","in_stock":true},{"title":"2 L","offer_id":67719616987388,"sku":"RMN2L","price":55.79,"currency_code":"USD","in_stock":true},{"title":"20 L","offer_id":67719617020156,"sku":"RMN20L","price":377.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/files\/Remineraliz500ml_10in.png?v=1792086610"},{"product_id":"neotiger-kh-gh","title":"NeoTiger KH+\/GH+","description":"\u003cp\u003e\u003cstrong\u003eNeoTiger KH+\/GH+\u003c\/strong\u003e by Brightwell Aquatics. KH and GH mineral support for preparing RO\/DI or soft water for suitable freshwater shrimp.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEstablishes mineral balance in purified (RO\/DI) and soft water for all shrimp \u0026amp; freshwater aquaria.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEstablishes an optimal mineral balance in water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003cli\u003eProvides beneficials ratio of potassium, calcium, magnesium, and sodium for overall health and osmoregulation of inhabitants.\u003c\/li\u003e\n\u003cli\u003eMay be used to establish water parameters conducive to the husbandry of freshwater fishes, plants, and invertebrates in aquaria filled with purified water.\u003c\/li\u003e\n\u003cli\u003eReplenishes depleted elemental concentrations in aquaria that rarely receive a water change and re-establishes beneficial mineral concentrations in aquaria following large water changes.\u003c\/li\u003e\n\u003cli\u003eFormulated for river water from several tropical forested regions.\u003c\/li\u003e\n\u003cli\u003eMade in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing and using this product\u003c\/h2\u003e\u003cp\u003eMatch this product to your aquarium type, actual water volume and measured water conditions. Follow the current label for preparation, compatibility and dosage.\u003c\/p\u003e\u003ch2\u003eRelated supplies\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/brightwell-shrimp-care\"\u003eBrightwell Shrimp Care\u003c\/a\u003e.\u003c\/p\u003e","brand":"Brightwell Direct","offers":[{"title":"125 ml","offer_id":67719617970428,"sku":"NTKHGH125","price":7.55,"currency_code":"USD","in_stock":true},{"title":"250 ml","offer_id":67719618003196,"sku":"NTKHGH250","price":10.89,"currency_code":"USD","in_stock":true},{"title":"500 ml","offer_id":67719618035964,"sku":"NTKHGH500","price":17.13,"currency_code":"USD","in_stock":true},{"title":"2 L","offer_id":67719618068732,"sku":"NTKHGH2L","price":56.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/files\/NeoTigerKH_GH_500ml_10in.png?v=1792086656"},{"product_id":"caridina-gh","title":"Caridina GH+","description":"\u003cp\u003e\u003cstrong\u003eCaridina GH+\u003c\/strong\u003e by Brightwell Aquatics. Mineral supplement for preparing purified or soft water for freshwater shrimp aquariums.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eEstablishes an optimal mineral balance in water that has been purified (reverse osmosis, deionization, etc.) or is exceedingly-soft (well water in forested regions) for all freshwater shrimp aquaria.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eProvides a beneficial ratio of potassium, calcium, magnesium, and sodium, elements which are vital to the overall health and osmoregulation of fishes, invertebrates, and many aquatic plants.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eMay be used to establish water parameters in aquariums filled with purified water, to replenish depleted elemental concentrations in tanks that rarely receive a water change, and to re-establish beneficial mineral concentrations following large water changes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eFormulated utilizing extensive data on the ionic composition of river water from several tropical forested and riverine regions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eMade in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing and using this product\u003c\/h2\u003e\u003cp\u003eMatch this product to your aquarium type, actual water volume and measured water conditions. Follow the current label for preparation, compatibility and dosage.\u003c\/p\u003e\u003ch2\u003eRelated supplies\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/brightwell-shrimp-care\"\u003eBrightwell Shrimp Care\u003c\/a\u003e.\u003c\/p\u003e","brand":"Brightwell Direct","offers":[{"title":"125 ml","offer_id":67719617839356,"sku":"CGH125","price":7.55,"currency_code":"USD","in_stock":true},{"title":"250 ml","offer_id":67719617872124,"sku":"CGH250","price":10.89,"currency_code":"USD","in_stock":true},{"title":"500 ml","offer_id":67719617904892,"sku":"CGH500","price":17.13,"currency_code":"USD","in_stock":true},{"title":"2 L","offer_id":67719617937660,"sku":"CGH2L","price":56.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/files\/CaridinaGH_500ml_10in.png?v=1792086655"},{"product_id":"axolotl-ro-water-kit","title":"Axolotl RO Water Kit","description":"\u003cp\u003e\u003cstrong\u003ePrepare RO\/DI water with separate control over general hardness, carbonate hardness, and mineral replenishment.\u003c\/strong\u003e The Axolotl RO Water Kit contains three Brightwell freshwater supplements for a measured water-preparation routine.\u003c\/p\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlorin Delta GH+ — 250 g:\u003c\/strong\u003e general-hardness mineral supplement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlorin Delta KH+ — 250 g:\u003c\/strong\u003e carbonate-hardness and alkalinity supplement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemineraliz — 250 mL:\u003c\/strong\u003e mineral replenishment for purified water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTest, mix, and recheck\u003c\/h2\u003e\u003cp\u003eMeasure GH, KH, and pH before dosing. Prepare replacement water in a separate clean container and follow each current product label. \u003cstrong\u003eGH+ and Remineraliz both increase GH; account for their combined contribution rather than automatically adding a full dose of each.\u003c\/strong\u003e Recheck after mixing and match the aquarium's temperature and intended water chemistry before use. TDS alone does not replace GH and KH testing.\u003c\/p\u003e\u003cp\u003eKH+ is formulated for freshwater systems targeting pH 7.8 or below. This kit provides adjustable supplements, not a fixed universal recipe or a guarantee of particular readings.\u003c\/p\u003e\u003cp\u003eAn RO filter, water, test kits, measuring tools, and dechlorinator are not included. Supplier images may show alternate sizes. Brightwell Direct fulfills the component products; shipping is calculated at checkout and items may arrive separately.\u003c\/p\u003e\u003ch2\u003eWater preparation guide\u003c\/h2\u003e\u003cp\u003eRead our \u003ca href=\"\/blogs\/about-axolotls\/ro-water-for-axolotls-gh-kh-remineralizing\"\u003eRO water, GH and KH guide\u003c\/a\u003e for a measured preparation workflow. Compare individual \u003ca href=\"\/collections\/brightwell-minerals-water-supplements\"\u003emineral supplements\u003c\/a\u003e before choosing a dosing plan.\u003c\/p\u003e","brand":"Axolotl Superstore","offers":[{"title":"Default Title","offer_id":67719839351036,"sku":null,"price":34.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/files\/FlorinDeltaGH__10in_ceeaacf5-89cc-4fa4-b05f-d056863bc4c4.png?v=1792092934"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/4874\/1884\/collections\/Remineraliz500ml_10in_348bf667-e559-47f0-a4e3-c8b08e60cf8e.png?v=1792092040","url":"https:\/\/axolotlsuperstore.com\/collections\/brightwell-minerals-water-supplements.oembed","provider":"axolotlsuperstore","version":"1.0","type":"link"}