{"title":"Recharges de réactifs","description":"\u003cp\u003eLes recharges pour continuer à mesurer avec vos tests en gouttes.\u003c\/p\u003e","products":[{"product_id":"recharge-test-ph","title":"Reagent refill for pH test, three ranges","description":"\u003cp\u003eThis bottle is the reagent for the \u003ca href=\"\/en\/products\/test-potentiel-hydrogene\"\u003epH test\u003c\/a\u003e, sold separately. Use the selector to choose the range of your test kit — \u003cstrong\u003e3.0 to 10.0\u003c\/strong\u003e, 6.0 to 7.6, or 7.4 to 9.0 — as it is the colour chart that interprets the result you obtain: approximately \u003cstrong\u003e50 readings\u003c\/strong\u003e on the wide range, 80 on the narrow range.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"pH 3.0 to 10.0","offer_id":54071991173443,"sku":"J2410200","price":5.9,"currency_code":"EUR","in_stock":false},{"title":"pH 6.0 to 7.6","offer_id":54071991206211,"sku":"J2410400","price":5.9,"currency_code":"EUR","in_stock":false},{"title":"pH 7.4 to 9.0","offer_id":54071991238979,"sku":"J2410600","price":6.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_potentiel_hydrogene_2.png?v=1767987190"},{"product_id":"recharge-test-kh","title":"Reagent refill for KH carbonate hardness test","description":"\u003cp\u003eThis bottle is the titration reagent for the \u003ca href=\"\/en\/products\/test-durete-carbonatee\"\u003ecarbonate hardness test\u003c\/a\u003e, sold separately. You add it drop by drop to \u003cstrong\u003e5 ml\u003c\/strong\u003e of water until the colour changes from blue to orange-yellow.\u003c\/p\u003e\u003cp\u003eThe number of drops added gives the result directly, at a rate of \u003cstrong\u003e1 °dKH\u003c\/strong\u003e per drop. The test tube from your kit remains in use, and there is no colour chart to replace with a titration method.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54057417867587,"sku":"J2411100","price":5.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_duretee_carbonatee.png?v=1767987233"},{"product_id":"recharge-test-gh","title":"Reagent refill for total hardness GH test","description":"\u003cp\u003eThis bottle is the titration reagent for the \u003ca href=\"\/en\/products\/test-durete-totale\"\u003etotal hardness test\u003c\/a\u003e, sold separately. It measures the calcium and magnesium in your water as a single combined value.\u003c\/p\u003e\u003cp\u003eYou add it drop by drop into \u003cstrong\u003e5 ml\u003c\/strong\u003e of water until the colour changes from red to green, with each drop equalling \u003cstrong\u003e1 °dGH\u003c\/strong\u003e. The test tube and sampling syringe from your kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54057423176003,"sku":"J2410900","price":5.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_duretee_totale.png?v=1767987255"},{"product_id":"recharge-test-o2-ed-em","title":"Reagent refill for dissolved oxygen test","description":"\u003cp\u003eThese three bottles are the reagents for the \u003ca href=\"\/en\/products\/test-oxygene\"\u003edissolved oxygen test\u003c\/a\u003e, providing approximately \u003cstrong\u003e40 measurements\u003c\/strong\u003e. Each measurement uses 6 drops from each of the three bottles.\u003c\/p\u003e\u003cp\u003eThe method fixes the oxygen in the test tube at the moment of sampling, then reveals it through a colour reaction. The glass test tube, its screw cap, the syringe, and the colour chart from your kit remain in use throughout.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54071994450243,"sku":"J2411300","price":8.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_oxygene_O2.png?v=1767986897"},{"product_id":"recharge-test-cu","title":"Reagent refill for copper Cu test","description":"\u003cp\u003eThese two bottles contain the reagents for the \u003ca href=\"\/en\/products\/test-cuivre\"\u003ecopper test\u003c\/a\u003e, sufficient for approximately \u003cstrong\u003e50 measurements\u003c\/strong\u003e. They measure only the copper that remains dissolved in the water — the form that affects your livestock.\u003c\/p\u003e\u003cp\u003eOutside of treatment, levels should stay below \u003cstrong\u003e0.05 mg\/L\u003c\/strong\u003e, and readings are taken by comparing two samples in the comparator block. The test tubes, sampling syringe, comparator block, and colour chart from your kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072002576707,"sku":"J2411500","price":8.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_cuivre_Cu.png?v=1767986506"},{"product_id":"recharge-test-fe","title":"Reagent refill for iron Fe test","description":"\u003cp\u003eThis dropper bottle is the reagent for the \u003ca href=\"\/en\/products\/test-fer\"\u003eiron test\u003c\/a\u003e, giving approximately \u003cstrong\u003e50 measurements\u003c\/strong\u003e. It colours only the iron remaining in solution — the iron your plants can actually take up.\u003c\/p\u003e\u003cp\u003eThe reading ranges from \u003cstrong\u003e0.02 to 1.5 mg\/L\u003c\/strong\u003e across nine steps. The two test tubes, the syringe, the comparator block, and the colour chart from your test kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072011751747,"sku":"J2411700","price":10.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_fer_FE.png?v=1767986656"},{"product_id":"recharge-test-nh4","title":"Reagent refill for NH4 ammonium test","description":"\u003cp\u003e\u003cstrong\u003eAmmonia\u003c\/strong\u003e is the first waste product in an inhabited water system, and the fastest indicator that biological filtration is struggling. These three bottles are the reagents for the \u003ca href=\"\/en\/products\/test-ammonium\"\u003eammonia test\u003c\/a\u003e, in the same volume as those in the original kit.\u003c\/p\u003e\u003cp\u003eApproximately \u003cstrong\u003e50 tests\u003c\/strong\u003e — enough to monitor a full cycle start-up at one test per day. Your existing glassware, comparator block, and colour chart remain in use.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":54072018469187,"sku":null,"price":9.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/recharge-test-nh4-boite.jpg?v=1788777328"},{"product_id":"recharge-test-n02","title":"Reagent refill for NO2 nitrite test","description":"\u003cp\u003eThis refill contains the \u003cstrong\u003etwo reagent bottles\u003c\/strong\u003e for the nitrite NO2 test, numbered 1 and 2, along with an illustrated instruction leaflet, for approximately \u003cstrong\u003e50 tests\u003c\/strong\u003e. The chemistry and number of tests are identical to those of the original kit.\u003c\/p\u003e\u003cp\u003eNitrite is the parameter tested most regularly — daily during the initial fill, then weekly thereafter. You reuse the glassware, sampling syringe, and colour chart from your \u003ca href=\"\/en\/products\/test-nitrite\"\u003enitrite test\u003c\/a\u003e, all of which last for years.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072020992323,"sku":"J2412400","price":7.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/recharge-test-no2-boite_8b910fc2-db25-48ff-bf21-3ec8da0cdc14.jpg?v=1788778652"},{"product_id":"recharge-test-n03","title":"Reagent refill for nitrate NO3 test","description":"\u003cp\u003eThese two bottles — one powder and one drops — are the reagents for the \u003ca href=\"\/en\/products\/test-nitrates\"\u003enitrate test kit\u003c\/a\u003e, providing approximately \u003cstrong\u003e40 measurements\u003c\/strong\u003e. Readings cover a range of 0.5 to 200 mg\/L.\u003c\/p\u003e\u003cp\u003eIn aquaponics, this parameter plays two roles: it's a waste product to keep in check, and the form of nitrogen your plants feed on. The glassware, sampling syringe, measuring spoon, comparator block and colour chart from your kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072022958403,"sku":"J2412600","price":10.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_nitrates_NO3.png?v=1767986603"},{"product_id":"recharge-test-po4-1","title":"Reagent refill for phosphate PO4 test","description":"\u003cp\u003eThese three bottles, including \u003cstrong\u003etwo\u003c\/strong\u003e of reagent 2, are the reagents for the \u003ca href=\"\/en\/products\/test-phosphates\"\u003ephosphate test\u003c\/a\u003e, for approximately 50 measurements.\u003c\/p\u003e\u003cp\u003eThis formulation measures the lower end of the scale, from \u003cstrong\u003e0.05 to 1.8 mg\/L\u003c\/strong\u003e, where the recommended thresholds lie. The glassware, syringe, measuring spoon, comparator block, and colour chart from your kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072024695107,"sku":"J2412800","price":8.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_phosphates_PO4.png?v=1767986560"},{"product_id":"recharge-test-k","title":"Reagent refill for potassium K test","description":"\u003cp\u003e\u003cstrong\u003ePotassium\u003c\/strong\u003e is one of the nutrients that fish feed covers poorly, so it is often lacking in aquaponics. These two reagents are those of the \u003ca href=\"\/en\/products\/test-potassium\"\u003epotassium test\u003c\/a\u003e, for about \u003cstrong\u003e25 measurements\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe result is read by turbidity, by pouring in until a printed cross disappears. The two tubes, the syringe, the double measuring spoon and the reading card from your kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072040915267,"sku":"J2413100","price":16.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_potassium_K.png?v=1767986532"},{"product_id":"recharge-test-mg","title":"Reagent refill for magnesium test","description":"\u003cp\u003eThese four bottles, two of which contain reagent 1, are the reagents for the \u003ca href=\"\/en\/products\/test-magnesium\"\u003emagnesium test\u003c\/a\u003e, providing approximately \u003cstrong\u003e60 readings\u003c\/strong\u003e. They measure magnesium alone, whereas total hardness adds it together with calcium.\u003c\/p\u003e\u003cp\u003eThe colour chart ranges from \u003cstrong\u003e0 to over 10 mg\/L\u003c\/strong\u003e across eight fields, and the colour, which develops in 1 minute, should be read within the following 15 minutes. The two test tubes, the sampling syringe, the comparator block, and the colour chart from your kit all remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072057561411,"sku":"J2414300","price":12.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_magnesium_MG.png?v=1767986906"},{"product_id":"recharge-test-co2","title":"Reagent refill for dissolved CO2 test","description":"\u003cp\u003eThese two bottles are the reagents for the \u003ca href=\"\/en\/products\/test-dioxyde-carbone-co2\"\u003edissolved CO2 test\u003c\/a\u003e. They are used to measure the \u003cstrong\u003efree carbon dioxide\u003c\/strong\u003e in your water, not the carbonates measured by carbonate hardness.\u003c\/p\u003e\u003cp\u003eThe reading is taken by titration: each drop of the second reagent equals \u003cstrong\u003e2 mg\/L\u003c\/strong\u003e, and the final pink colour must hold for 60 seconds. The test tube and the two-field colour chart from your kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072064115011,"sku":"J2414100","price":7.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_dioxyde_de_carbone_CO2.png?v=1767986956"}],"url":"https:\/\/www.univers-aquaponie.com\/en\/collections\/recharges-reactifs.oembed","provider":"Univers Aquaponie","version":"1.0","type":"link"}