{"title":"PH up \/ PH down","description":"","products":[{"product_id":"biobizz-bio-ph","title":"BioBizz Bio pH- — Organic Citric Acid pH Down","description":"\u003ch2\u003eBioBizz Bio pH- — Organic Citric Acid pH Regulator\u003c\/h2\u003e\n\u003cp\u003eAn organic pH Down regulator that keeps acidity\/alkalinity levels optimal for nutrient absorption and beneficial microorganism health. Contains citric acid — a powerful natural pH adjuster that actually boosts beneficial bacterial populations rather than harming them (unlike synthetic phosphoric acid pH Down which is broadly antimicrobial). Essential for strict-organic BioBizz growing schedules.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose BioBizz Bio pH-:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCitric acid-based organic formulation\u003c\/strong\u003e — natural pH adjuster from plant-derived sources\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoosts beneficial bacterial populations\u003c\/strong\u003e — unlike synthetic phosphoric acid which kills microbes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeeps root-zone pH optimal\u003c\/strong\u003e — proper nutrient absorption range maintained\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with certified-organic growing\u003c\/strong\u003e — doesn't compromise BioBizz organic integrity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports microbial life in growing medium\u003c\/strong\u003e — actively helps rather than suppresses microbiome\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable pH reduction\u003c\/strong\u003e — does the actual job without compromising biology\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with any base nutrient\u003c\/strong\u003e — not BioBizz-specific, universal organic pH Down\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eFor strict-synthetic hydroponic setups, generic phosphoric acid pH Down (Growth Technology pH Down, PH UP range) is cheaper. UK tap water is typically alkaline — you'll use Bio pH- more often than Bio pH+. Add small amounts at a time, stir, re-test before adding more. Don't over-correct; citric acid pH Down works quickly but can overshoot if poured.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"BioBizz","offers":[{"title":"1L","offer_id":55799070982526,"sku":"30070651","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"5L","offer_id":55799071015294,"sku":"39372435","price":67.95,"currency_code":"GBP","in_stock":true},{"title":"250ML","offer_id":55799071048062,"sku":"30070623","price":5.95,"currency_code":"GBP","in_stock":true},{"title":"500ML","offer_id":55799071080830,"sku":"30070636","price":9.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_2__1_14.jpg?v=1750349571"},{"product_id":"ph-down-1l","title":"PH DOWN 1L — Nutrient Solution pH Lowering Agent","description":"\u003ch2\u003ePH DOWN 1L — Standard Nutrient Solution pH Lowering Agent\u003c\/h2\u003e\n\u003cp\u003eA standard pH Down solution for lowering the pH of nutrient solutions into the optimal uptake range. The most-used pH adjuster in UK grow rooms because most tap water is alkaline (pH 7.5+) and needs bringing down to 5.5-6.5 for plants to absorb their nutrients properly. Approximately 1ml per 50L shifts pH by one unit — small doses, big effect.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers need pH Down:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLowers pH into target range\u003c\/strong\u003e — essential for hydroponic and most coco feeding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe most-used pH adjuster in UK grow rooms\u003c\/strong\u003e — UK tap water is typically alkaline\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTarget pH 5.5-6.5 for most plants\u003c\/strong\u003e — outside this range, nutrients are locked out\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApproximately 1ml per 50L shifts pH by one unit\u003c\/strong\u003e — small doses do significant work\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential for nutrient absorption\u003c\/strong\u003e — wrong pH = wasted nutrients = deficient plants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with any base nutrient\u003c\/strong\u003e — pH correction is universal, not brand-specific\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1L bottle lasts many grows\u003c\/strong\u003e — small doses mean one bottle is long-term supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eFor strict-organic growing, use BioBizz Bio pH- (citric acid-based) — this standard pH Down is typically phosphoric acid and not organic-compatible. For soil growing, frequent pH adjustment is less necessary — soil buffers better than hydroponic\/coco media. Add small amounts at a time, stir, re-test before adding more. Wear gloves when handling; phosphoric acid can irritate skin.\u003c\/p\u003e\n\n\u003cp\u003eIn stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"Generic","offers":[{"title":"1L","offer_id":55799094641022,"sku":"32627592","price":9.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/ph_down_1.jpg?v=1750350468"},{"product_id":"biobizz-bio-ph-up","title":"BioBizz Bio pH Up — Natural Humic Acid pH Correction","description":"\u003ch2\u003eBioBizz Bio pH Up — Natural Humic Acid pH Raiser\u003c\/h2\u003e\n\u003cp\u003eA fully organic pH Up solution from BioBizz — formulated from natural humic acids rather than synthetic potassium hydroxide. Used to raise the pH of nutrient solutions into the optimal uptake range. For organic growers and those using BioBizz's certified-organic feeding schedule where synthetic pH adjusters would break the organic integrity.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose BioBizz Bio pH Up:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumic acids from natural sources\u003c\/strong\u003e — plant-derived rather than synthetic potassium hydroxide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with certified-organic growing\u003c\/strong\u003e — doesn't compromise BioBizz's full organic approach\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRaises nutrient solution pH reliably\u003c\/strong\u003e — the actual job, done cleanly without mineral contamination\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential for nutrient uptake\u003c\/strong\u003e — outside the optimal range, plants can't absorb what you're feeding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdded humic acid benefits\u003c\/strong\u003e — humics support root health and nutrient transport as a side benefit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with any base nutrient\u003c\/strong\u003e — not BioBizz-specific, usable across any feeding programme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eMost tap water in the UK is already alkaline (pH 7.5+), so most growers need pH Down, not pH Up. Only use pH Up if your solution is measuring below target after nutrient addition. Add small amounts at a time, stir, re-test before adding more. For strict-synthetic hydroponic setups, a standard potassium hydroxide pH Up is cheaper.\u003c\/p\u003e\n\n\u003cp\u003eIn stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"BioBizz","offers":[{"title":"1L","offer_id":55799100047742,"sku":"30070680","price":14.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/download_2_29.png?v=1750350725"},{"product_id":"ph-buffer-4-300ml","title":"Growth Technology pH Buffer 4 — 300ml Calibration Solution","description":"\u003ch2\u003eGrowth Technology pH Buffer 4 — 300ml Acidic Calibration Solution\u003c\/h2\u003e\n\u003cp\u003eA stable pH 4.0 calibration fluid — the acidic reference point used alongside pH 7.0 buffer for two-point pH meter calibration. Particularly important for hydroponic growers whose nutrient solutions sit in the 5.5-6.5 range (closer to pH 4 than pH 7, so the 4-point calibration is more relevant than the 7-point for actual working readings).\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers need pH Buffer 4:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable acidic pH 4.0 reference\u003c\/strong\u003e — essential second point for two-point meter calibration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParticularly relevant for hydroponic use\u003c\/strong\u003e — working pH (5.5-6.5) is closer to 4 than to 7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePair with pH Buffer 7\u003c\/strong\u003e — together give proper calibration across the usable range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with any pH meter brand\u003c\/strong\u003e — universal calibration, not brand-specific\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e300ml bottle\u003c\/strong\u003e — enough for many calibration sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable formulation\u003c\/strong\u003e — pH doesn't drift if stored sealed and away from air exposure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended every 2-4 weeks\u003c\/strong\u003e — standard calibration practice for accurate readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eDon't reuse solution after the probe has been dipped — contamination ruins calibration. Pour a small amount into a separate container each time, then discard after use. Keep bottle sealed between uses; air exposure degrades accuracy over months. Two-point calibration (using both pH 4 and pH 7) is significantly more accurate than single-point; always use both for best results.\u003c\/p\u003e\n\n\u003cp\u003eIn stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"Growth Technology","offers":[{"title":"Default Title","offer_id":55799202120062,"sku":"32627633","price":3.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/buffer-4_510x.progressive_2a715f64-ac55-4bab-8332-6ac27a662a2c.jpg?v=1750353556"},{"product_id":"growth-technology-5l-ph-down","title":"Growth Technology pH Down 5L — 81% Phosphoric Acid","description":"\u003ch2\u003eGrowth Technology pH Down 5L — Premium 81% Phosphoric Acid\u003c\/h2\u003e\n\u003cp\u003ePremium-grade pH Down solution at 81% food-grade phosphoric acid — lowers and maintains nutrient solution pH reliably. Every hydroponic grower needs this (or the equivalent) — tap water in the UK is typically pH 7.5-8.5, while plants want 5.5-6.5. pH Down is the standard corrective. The 5L size is the best-value commercial sizing for serious or repeat use.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose Growth Technology pH Down:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium 81% phosphoric acid formulation\u003c\/strong\u003e — food-grade, not industrial-grade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliably lowers nutrient solution pH\u003c\/strong\u003e — fast-acting and stable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5L commercial size\u003c\/strong\u003e — best value per litre, months of use across multiple grows\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard across UK hydroponics\u003c\/strong\u003e — one of the most-used pH correction products in the industry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with any nutrient brand\u003c\/strong\u003e — pH correction is universal, not brand-specific\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential for hydroponic growing\u003c\/strong\u003e — UK tap water's natural pH locks out nutrients; you must correct it\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHandle with caution\u003c\/strong\u003e — this is a strong acid. Wear gloves and eye protection when decanting. Add a little at a time to your reservoir, wait a couple of minutes for it to mix, then re-test pH before adding more. For organic\/soil growing, natural pH-adjustment approaches (citric acid, lemon juice) may be preferred. Keep out of reach of children and pets.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Growth Technology","offers":[{"title":"Default Title","offer_id":55799285842302,"sku":"42647958","price":29.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/download_2__26.png?v=1750354895"}],"url":"https:\/\/www.roots2riches.com\/collections\/ph-up-ph-down.oembed","provider":"Roots2Riches","version":"1.0","type":"link"}