{"product_id":"3ml-pipette-with-0-5ml-graduations","title":"3ml Pipette with 0.5ml Graduations","description":"```html\n\u003csection class=\"gh-product-listing\"\u003e\n\n\u003ch2\u003e3ml Pipette with 0.5ml Graduations — Accurate Nutrient Dosing for Hydroponics\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Growers who need precise measurement of concentrated nutrients, pH adjusters, and caustic liquids without breaking the bank\u003c\/p\u003e\n\n\u003cdiv class=\"gh-our-thoughts\" role=\"note\" aria-label=\"Our thoughts\"\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eOur thoughts\u003c\/strong\u003e\u003cbr\u003e\nThis is the tool you actually need if you're dosing pH adjusters or concentrated additives. Unlike syringes, the plastic won't degrade when you're working with strong acids or alkalis. Simple, reusable, and it does the job properly without any fuss.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eA \u003cstrong\u003e3ml graduated pipette\u003c\/strong\u003e is one of the most practical investments you can make for nutrient dosing. This one comes with \u003cstrong\u003e0.5ml graduation markings\u003c\/strong\u003e, giving you the precision needed for concentrated nutrients, pH adjustment, and specialist additives without the cost of electronic equipment. Made from low-density polyethylene with no rubber seals, it's safe to use with caustic liquids like pH up and pH down where syringes simply fail. Clean it between uses, reuse it dozens of times, and you've got reliable measurement sorted.\u003c\/p\u003e\n\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eThe pipette sits in a practical middle ground between cheap eyedroppers and expensive precision equipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs measuring syringes:\u003c\/strong\u003e Syringes are fractionally more accurate, but their rubber seals degrade instantly with pH adjusters. This pipette handles caustic liquids without complaint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs measuring cups:\u003c\/strong\u003e Cups are fine for large volumes but hopeless for the small, precise doses you need with concentrated nutrients. This gives you control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs electronic pipettes:\u003c\/strong\u003e Those cost £300+. This does 95% of what they do for a fraction of the price.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs disposable pipettes:\u003c\/strong\u003e Single-use pipettes cost more per application. This one cleans and reuses multiple times.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage guidance\u003c\/h3\u003e\n\u003cp\u003eThis pipette works across several key growing tasks:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003epH adjustment\u003c\/strong\u003e\u003cbr\u003e\nThis is where the pipette earns its keep. Measure out small, accurate amounts of pH down (acid) or pH up (alkali) without worrying about rubber seals degrading. The 0.5ml graduations let you dial in precise doses. Rinse thoroughly with water between uses to avoid cross-contamination.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eConcentrated nutrient dosing\u003c\/strong\u003e\u003cbr\u003e\nPerfect for measuring out concentrated fertilisers, mono silica, or specialist additives that need to be dosed in small amounts alongside your main feed. The graduations make it straightforward.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBooster and supplement measurement\u003c\/strong\u003e\u003cbr\u003e\nWhen you're adding small volumes of expensive additives, accuracy matters. This removes the guesswork.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCare and reuse\u003c\/strong\u003e\u003cbr\u003e\nRinse the inside and outside with water immediately after each use, especially when switching between different liquids. For deep cleaning between uses, soak in hydrogen peroxide. Avoid double-dipping between bottles — it causes unwanted chemical reactions. With proper care, these pipettes last through dozens of applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant measurement note\u003c\/strong\u003e\u003cbr\u003e\nPlastic pipettes have a built-in tolerance of around 10% — this is unavoidable and worth understanding. When you're measuring 3ml, you're looking at 2.7ml to 3.3ml. For single small doses this doesn't matter. If you're compounding measurements (adding multiple 3ml amounts together), the error can add up. This is normal and acceptable for nutrient dosing; just don't rely on it for pharmaceutical-level precision.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 3ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduation intervals:\u003c\/strong\u003e 0.5ml markings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 155mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Low-density polyethylene (LDPE), no rubber seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop volume:\u003c\/strong\u003e Approximately 50µl (20 drops per ml)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy tolerance:\u003c\/strong\u003e ±0.6% to ±0.4% at 20°C (ISO standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable:\u003c\/strong\u003e Yes, cleanable and designed for multiple uses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGrowers working with concentrated nutrients who need precise, repeatable dosing\u003c\/li\u003e\n\u003cli\u003eAnyone regularly adjusting pH with strong acids or alkalis\u003c\/li\u003e\n\u003cli\u003eBudget-conscious growers who want accurate measurement without electronic kit costs\u003c\/li\u003e\n\u003cli\u003eGrowers adding specialist additives and boosters in small volumes\u003c\/li\u003e\n\u003cli\u003eAnyone frustrated by syringes degrading when used with pH adjusters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOur take\u003c\/h3\u003e\n\u003cp\u003eThis is proper kit at a sensible price. It does exactly what it should — measure small volumes of caustic liquids safely, which is more than syringes can claim. The 0.5ml graduations give you the precision needed for concentrated nutrients without any guesswork, and because it's reusable, it'll pay for itself after a handful of uses.\u003c\/p\u003e\n\u003cp\u003eIf you're adjusting pH or dosing concentrated additives, this is worth picking up. One we recommend a lot for growers who want to get their dosing dialled in properly.\u003c\/p\u003e\n\n\u003c\/section\u003e\n```","brand":"PLASTIPAK","offers":[{"title":"Default Title","offer_id":47916517261482,"sku":"90693","price":0.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/5540\/5400\/files\/90693_3ml_pipette_with_0.5ml_graduations_ed3571b2-1360-4250-bd4d-d4784fc78c5e.jpg?v=1769195024","url":"https:\/\/growershouse.co.uk\/products\/3ml-pipette-with-0-5ml-graduations","provider":"Growers House ","version":"1.0","type":"link"}