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Additives & pH Control
21 products
21 products
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Botanixx Silicon 1L – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£3.35
Unit price perBotanixx Silicon 1L – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£3.35
Unit price perBotanixx Silicon 1L – Built-In Strength, Right Where Your Plants Need It
Strong plants start with strong structure – and that’s where Botanixx Silicon comes in. Whether you’re growing in polytunnels, under LEDs, or out in the open, this additive gives your plants the backbone they need to stand strong and thrive.
It’s not hype – silicon helps plants build firmer structure, absorb nutrients more efficiently, and cope better with heat, light, pests, and stress. You’ll see it in the way they hold themselves: upright, steady, feeding well, and finishing strong.
It’s not about shortcuts. It’s about giving plants what they need to get on with the job. When the structure’s solid – strong stems, firm leaves, reliable roots – they stay upright, feed properly, and keep pushing on even when conditions aren’t ideal.
Why growers use Botanixx Silicon:
- Builds natural strength from the inside out
- Improves structure for upright, self-supporting growth
- Boosts nutrient uptake through healthier roots and tougher tissues
- Enhances resilience against heat, drought, and light stress
- Thickens leaves for more efficient light conversion
- Reduces pest and disease pressure by toughening plant surfaces
- Limits heavy metal uptake in sensitive crops
- Contributes to bigger, heavier yields without extra input
No gimmicks – just real, built-in support for serious growers who want structure, balance, and strength where it matters.
Product details:
Pack size: 1L Units per case: 4 Dilution rate: 0.5ml per litre Formulation: 6% potassium silicate (K₂O₃Si) Application: Plant strength and stress resistance supplement
Botanixx Silicon 5L – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£11.75
Unit price perBotanixx Silicon 5L – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£11.75
Unit price perBotanixx Silicon – Built-In Strength, Right Where Your Plants Need It
Strong plants start with strong structure – and that’s where Botanixx Silicon comes in. Whether you’re growing in polytunnels, under LEDs, or out in the open, this additive gives your plants the backbone they need to stand strong and thrive.
It’s not hype – silicon helps plants build firmer structure, absorb nutrients more efficiently, and cope better with heat, light, pests, and stress. You’ll see it in the way they hold themselves: upright, steady, feeding well, and finishing strong.
It’s not about shortcuts. It’s about giving plants what they need to get on with the job. When the structure’s solid – strong stems, firm leaves, reliable roots – they stay upright, feed properly, and keep pushing on even when conditions aren’t ideal.
Why growers use Botanixx Silicon:
- Builds natural strength from the inside out
- Improves structure for upright, self-supporting growth
- Boosts nutrient uptake through healthier roots and tougher tissues
- Enhances resilience against heat, drought, and light stress
- Thickens leaves for more efficient light conversion
- Reduces pest and disease pressure by toughening plant surfaces
- Limits heavy metal uptake in sensitive crops
- Contributes to bigger, heavier yields without extra input
No gimmicks – just real, built-in support for serious growers who want structure, balance, and strength where it matters.
Product details:
Available sizes: 500ml, 1L, 5L, 10L Units per case: 4 Dilution rate: 0.5ml per litre Formulation: 6% potassium silicate (K₂O₃Si) Application: Plant strength and stress resistance supplement
Botanixx Silicon 500ml – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£2.55
Unit price perBotanixx Silicon 500ml – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£2.55
Unit price perBotanixx Silicon 500ml – Built-In Strength, Right Where Your Plants Need It
Strong plants start with strong structure – and that’s where Botanixx Silicon comes in. Whether you’re growing in polytunnels, under LEDs, or out in the open, this additive gives your plants the backbone they need to stand strong and thrive.
It’s not hype – silicon helps plants build firmer structure, absorb nutrients more efficiently, and cope better with heat, light, pests, and stress. You’ll see it in the way they hold themselves: upright, steady, feeding well, and finishing strong.
It’s not about shortcuts. It’s about giving the plant what it needs to get on with the job. When the structure’s solid – strong stems, firm leaves, reliable roots – they stay upright, feed properly, and keep pushing on even when conditions aren’t ideal.
Why growers use Botanixx Silicon:
- Builds natural strength from the inside out
- Improves structure for upright, self-supporting growth
- Boosts nutrient uptake through healthier roots and tougher tissues
- Enhances resilience against heat, drought, and light stress
- Thickens leaves for more efficient light conversion
- Reduces pest and disease pressure by toughening plant surfaces
- Limits heavy metal uptake in sensitive crops
- Contributes to bigger, heavier yields without extra input
No gimmicks – just real, built-in support for serious growers who want structure, balance, and strength where it matters.
Product details:
Pack size: 500ml Units per case: 12 Dilution rate: 0.5ml per litre Formulation: 6% potassium silicate (K₂O₃Si) Application: Plant strength and stress resistance supplement
Botanixx Silicon 10L – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£22.00
Unit price perBotanixx Silicon 10L – Premium Plant Strength Supplement for Healthier, Stress-Resilient Growth
£22.00
Unit price perBotanixx Silicon 10L – Built-In Strength, Right Where Your Plants Need It
Strong plants start with strong structure – and that’s where Botanixx Silicon comes in. Whether you’re growing in polytunnels, under LEDs, or out in the open, this additive gives your plants the backbone they need to stand strong and thrive.
It’s not hype – silicon helps plants build firmer structure, absorb nutrients more efficiently, and cope better with heat, light, pests, and stress. You’ll see it in the way they hold themselves: upright, steady, feeding well, and finishing strong.
It’s not about shortcuts. It’s about giving the plant what it needs to get on with the job. When the structure’s solid – strong stems, firm leaves, reliable roots – they stay upright, feed properly, and keep pushing on even when conditions aren’t ideal.
Why growers use Botanixx Silicon:
- Builds natural strength from the inside out
- Improves structure for upright, self-supporting growth
- Boosts nutrient uptake through healthier roots and tougher tissues
- Enhances resilience against heat, drought, and light stress
- Thickens leaves for more efficient light conversion
- Reduces pest and disease pressure by toughening plant surfaces
- Limits heavy metal uptake in sensitive crops
- Contributes to bigger, heavier yields without extra input
No gimmicks – just real, built-in support for serious growers who want structure, balance, and strength where it matters.
Product details:
Pack size: 10L Units per case: 2 Dilution rate: 0.5ml per litre Formulation: 6% potassium silicate (K₂O₃Si) Application: Plant strength and stress resistance supplement
Botanixx - pH Up – Reliable pH Control for Professional Growing
Low pH can quietly undermine a crop. Once it drops below 5.5, nutrient availability – particularly calcium, magnesium, and phosphorus – takes a hit. Plants start to show it: twisted leaves, weak roots, stalled growth, even when feed levels look right on paper.
Botanixx pH Up offers a clean, effective way to correct this. It raises pH steadily, without foaming, clouding, or affecting your system. No build-up, no waste – just a dependable correction that slots easily into any setup, from hydro and coco to flood and drain.
Why growers and resellers trust it:
- Supports calcium and magnesium uptake for stronger, more resilient plants
- Releases phosphorus for improved rooting and flowering performance
- Precise control with no chemical residue
- Compatible with all common commercial growing systems
- Highly stable formulation – clean, concentrated, and consistent
Ideal for use when:
- pH levels drop below 5.5 and uptake is compromised
- Visible signs of calcium or magnesium deficiency, despite feeding
- Runoff or reservoir readings consistently fall outside target range
Supplied in 500ml, 1L, 5L and 10L formats.
Reliable, trade-grade pH management for serious growers.
Botanixx - pH Up – Reliable pH Control for Professional Growing
Low pH can quietly undermine a crop. Once it drops below 5.5, nutrient availability – particularly calcium, magnesium, and phosphorus – takes a hit. Plants start to show it: twisted leaves, weak roots, stalled growth, even when feed levels look right on paper.
Botanixx pH Up offers a clean, effective way to correct this. It raises pH steadily, without foaming, clouding, or affecting your system. No build-up, no waste – just a dependable correction that slots easily into any setup, from hydro and coco to flood and drain.
Why growers and resellers trust it:
- Supports calcium and magnesium uptake for stronger, more resilient plants
- Releases phosphorus for improved rooting and flowering performance
- Precise control with no chemical residue
- Compatible with all common commercial growing systems
- Highly stable formulation – clean, concentrated, and consistent
Ideal for use when:
- pH levels drop below 5.5 and uptake is compromised
- Visible signs of calcium or magnesium deficiency, despite feeding
- Runoff or reservoir readings consistently fall outside target range
Supplied in 500ml, 1L, 5L and 10L formats.
Reliable, trade-grade pH management for serious growers.
Botanixx - pH Up – Reliable pH Control for Professional Growing
Low pH can quietly undermine a crop. Once it drops below 5.5, nutrient availability – particularly calcium, magnesium, and phosphorus – takes a hit. Plants start to show it: twisted leaves, weak roots, stalled growth, even when feed levels look right on paper.
Botanixx pH Up offers a clean, effective way to correct this. It raises pH steadily, without foaming, clouding, or affecting your system. No build-up, no waste – just a dependable correction that slots easily into any setup, from hydro and coco to flood and drain.
Why growers and resellers trust it:
- Supports calcium and magnesium uptake for stronger, more resilient plants
- Releases phosphorus for improved rooting and flowering performance
- Precise control with no chemical residue
- Compatible with all common commercial growing systems
- Highly stable formulation – clean, concentrated, and consistent
Ideal for use when:
- pH levels drop below 5.5 and uptake is compromised
- Visible signs of calcium or magnesium deficiency, despite feeding
- Runoff or reservoir readings consistently fall outside target range
Supplied in 500ml, 1L, 5L and 10L formats.
Reliable, trade-grade pH management for serious growers.
Botanixx - pH Down 30% – Keep Your pH Where It Should Be
If your mix starts creeping above 6.5, you’ve got a problem – micronutrients like iron, zinc and manganese stop being available to the plant. They’re in the tank, but locked out. That’s when the yellowing starts, growth slows, and yields begin to dip.
Botanixx pH Down gives you a clean, accurate fix. It lowers pH quickly, without any clouding, foaming or residue – just a stable adjustment that gets your nutrient solution back into the uptake zone.
It gets to work fast, drops the pH cleanly, and won’t leave behind any gunk, foam or haziness – just a tidy correction that keeps your feed where it should be.
So, why do growers stick with it?
- Brings down pH fast and accurately
- Keeps trace nutrients available for efficient uptake
- Won’t clog filters or leave residue in tanks
- Safe to use in hydro, coco, soil or foliar feeds
- High strength – minimal volume needed per dose
When to use it:
- pH reads over 6.5 – adjust before applying
- You’re seeing early signs of nutrient lockout
- You need tight pH control for coco runoff (aim 5.8–6.2)
Available in 500ml, 1L, 5L and 10L sizes.
Trade-friendly, consistent, and ready for commercial use.
Botanixx - pH Down 30% – Keep Your pH Where It Should Be
If your mix starts creeping above 6.5, you’ve got a problem – micronutrients like iron, zinc and manganese stop being available to the plant. They’re in the tank, but locked out. That’s when the yellowing starts, growth slows, and yields begin to dip.
Botanixx pH Down gives you a clean, accurate fix. It lowers pH quickly, without any clouding, foaming or residue – just a stable adjustment that gets your nutrient solution back into the uptake zone.
It gets to work fast, drops the pH cleanly, and won’t leave behind any gunk, foam or haziness – just a tidy correction that keeps your feed where it should be.
So, why do growers stick with it?
- Brings down pH fast and accurately
- Keeps trace nutrients available for efficient uptake
- Won’t clog filters or leave residue in tanks
- Safe to use in hydro, coco, soil or foliar feeds
- High strength – minimal volume needed per dose
When to use it:
- pH reads over 6.5 – adjust before applying
- You’re seeing early signs of nutrient lockout
- You need tight pH control for coco runoff (aim 5.8–6.2)
Available in 500ml, 1L, 5L and 10L sizes.
Trade-friendly, consistent, and ready for commercial use.
Botanixx - pH Down 30% – Keep Your pH Where It Should Be
If your mix starts creeping above 6.5, you’ve got a problem – micronutrients like iron, zinc and manganese stop being available to the plant. They’re in the tank, but locked out. That’s when the yellowing starts, growth slows, and yields begin to dip.
Botanixx pH Down gives you a clean, accurate fix. It lowers pH quickly, without any clouding, foaming or residue – just a stable adjustment that gets your nutrient solution back into the uptake zone.
It gets to work fast, drops the pH cleanly, and won’t leave behind any gunk, foam or haziness – just a tidy correction that keeps your feed where it should be.
So, why do growers stick with it?
- Brings down pH fast and accurately
- Keeps trace nutrients available for efficient uptake
- Won’t clog filters or leave residue in tanks
- Safe to use in hydro, coco, soil or foliar feeds
- High strength – minimal volume needed per dose
When to use it:
- pH reads over 6.5 – adjust before applying
- You’re seeing early signs of nutrient lockout
- You need tight pH control for coco runoff (aim 5.8–6.2)
Available in 500ml, 1L, 5L and 10L sizes.
Trade-friendly, consistent, and ready for commercial use.
Botanixx - pH Down 30% – Keep Your pH Where It Should Be
If your mix starts creeping above 6.5, you’ve got a problem – micronutrients like iron, zinc and manganese stop being available to the plant. They’re in the tank, but locked out. That’s when the yellowing starts, growth slows, and yields begin to dip.
Botanixx pH Down gives you a clean, accurate fix. It lowers pH quickly, without any clouding, foaming or residue – just a stable adjustment that gets your nutrient solution back into the uptake zone.
It gets to work fast, drops the pH cleanly, and won’t leave behind any gunk, foam or haziness – just a tidy correction that keeps your feed where it should be.
So, why do growers stick with it?
- Brings down pH fast and accurately
- Keeps trace nutrients available for efficient uptake
- Won’t clog filters or leave residue in tanks
- Safe to use in hydro, coco, soil or foliar feeds
- High strength – minimal volume needed per dose
When to use it:
- pH reads over 6.5 – adjust before applying
- You’re seeing early signs of nutrient lockout
- You need tight pH control for coco runoff (aim 5.8–6.2)
Available in 500ml, 1L, 5L and 10L sizes.
Trade-friendly, consistent, and ready for commercial use.
Botanixx - Oxygen 11.9% - Freshen and Protect Your Roots
Give your nutrient reservoir a breath of fresh air with Botanixx Oxygen. Just a few drops increase oxygen levels, helping roots grow stronger and plants thrive.
Why Choose
- Helps roots grow stronger and reach out further, so plants feed better
- Keeps root rot and nasty pathogens like Pythium in check
- Stops your water from going stale or smelly by keeping it oxygen-rich
- Supports healthy nutrient uptake so plants stay balanced and bounce back quicker
- Slows algae build-up to keep your tank clearer and cleaner
- Helps plants deal with heat and other environmental pressures
- Encourages sturdy stems and fuller leaf growth
- Breaks down waste and helps stop slimy biofilm in hydro systems
- Leads to better results – healthier plants, cleaner roots, and stronger yields
Available in 500ml, 1L, 5L, and 10L sizes.
An easy, effective way to improve root health in hydro or soil setups.
Botanixx - Oxygen 11.9% - Freshen and Protect Your Roots
Give your nutrient reservoir a breath of fresh air with Botanixx Oxygen. Just a few drops increase oxygen levels, helping roots grow stronger and plants thrive.
Why Choose
- Helps roots grow stronger and reach out further, so plants feed better
- Keeps root rot and nasty pathogens like Pythium in check
- Stops your water from going stale or smelly by keeping it oxygen-rich
- Supports healthy nutrient uptake so plants stay balanced and bounce back quicker
- Slows algae build-up to keep your tank clearer and cleaner
- Helps plants deal with heat and other environmental pressures
- Encourages sturdy stems and fuller leaf growth
- Breaks down waste and helps stop slimy biofilm in hydro systems
- Leads to better results – healthier plants, cleaner roots, and stronger yields
Available in 500ml, 1L, 5L, and 10L sizes.
An easy, effective way to improve root health in hydro or soil setups.
Botanixx - Oxygen 11.9% - Freshen and Protect Your Roots
Give your nutrient reservoir a breath of fresh air with Botanixx Oxygen. Just a few drops increase oxygen levels, helping roots grow stronger and plants thrive.
Why Choose
- Helps roots grow stronger and reach out further, so plants feed better
- Keeps root rot and nasty pathogens like Pythium in check
- Stops your water from going stale or smelly by keeping it oxygen-rich
- Supports healthy nutrient uptake so plants stay balanced and bounce back quicker
- Slows algae build-up to keep your tank clearer and cleaner
- Helps plants deal with heat and other environmental pressures
- Encourages sturdy stems and fuller leaf growth
- Breaks down waste and helps stop slimy biofilm in hydro systems
- Leads to better results – healthier plants, cleaner roots, and stronger yields
Available in 500ml, 1L, 5L, and 10L sizes.
An easy, effective way to improve root health in hydro or soil setups.
Botanixx - Oxygen 11.9% - Freshen and Protect Your Roots
Give your nutrient reservoir a breath of fresh air with Botanixx Oxygen. Just a few drops increase oxygen levels, helping roots grow stronger and plants thrive.
Why Choose
- Helps roots grow stronger and reach out further, so plants feed better
- Keeps root rot and nasty pathogens like Pythium in check
- Stops your water from going stale or smelly by keeping it oxygen-rich
- Supports healthy nutrient uptake so plants stay balanced and bounce back quicker
- Slows algae build-up to keep your tank clearer and cleaner
- Helps plants deal with heat and other environmental pressures
- Encourages sturdy stems and fuller leaf growth
- Breaks down waste and helps stop slimy biofilm in hydro systems
- Leads to better results – healthier plants, cleaner roots, and stronger yields
Available in 500ml, 1L, 5L, and 10L sizes.
An easy, effective way to improve root health in hydro or soil setups.
ETI pH Pal Plus Meter – Accurate, Easy-to-Use Digital pH Tester for Horticultural and Irrigation Use
£35.00
Unit price perETI pH Pal Plus Meter – Accurate, Easy-to-Use Digital pH Tester for Horticultural and Irrigation Use
£35.00
Unit price perETI pH Pal Plus Meter – Straightforward pH Testing You Can Trust
When you’re managing feeds or checking irrigation water, knowing your pH is spot-on matters. The ETI pH Pal Plus Meter makes pH testing fast, simple and reliable — no fluff, no fuss.
You just dip, press, and read. The clear digital display gives instant results, and automatic calibration keeps readings on target. Compact and sturdy, it fits neatly into a pocket or tray and holds up to daily use in nurseries, greenhouses, and propagation areas.
Whether you’re mixing nutrient solutions or checking water quality in situ, the ETI pH Pal Plus saves you time and ensures your growing conditions stay optimised.
Why growers trust the ETI pH Pal Plus:
- Accurate, easy-to-use digital pH meter
- Automatic calibration for consistent results
- Clear LCD display for quick reading
- Compact, durable design with water resistance (IP65)
- Ideal for nutrient, feed and irrigation monitoring in horticulture
Product details:
Weight: ~ 70 g Dimensions: 15 × 32 × 170 mm Batteries: 4 × 1.5 V LR44 (≈ 150hr life) Range / Accuracy: 0–14 pH, 0.1 resolution, ±0.2 pH Units per case: 1
GROWERS OWN pH Meter – Accurate, Easy-to-Use Digital pH Tester for Feeds and Irrigation
£9.00
Unit price perGROWERS OWN pH Meter – Accurate, Easy-to-Use Digital pH Tester for Feeds and Irrigation
£9.00
Unit price perGROWERS OWN pH Meter – No-Fuss, Straightforward pH Testing
If you just need a pH meter that reliably gets the job done, this one fits the bill. It’s ideal for small setups, short-term grows or tight budgets. It’s simple, fast to use, and gives you the readings you need to avoid nutrient lockouts and keep plants in balance.
You dip, press, and read — no complicated menus or extra features getting in the way. The clear digital display and one-button interface make it quick and accessible under grow lights or in propagation space.
Compact, water-resistant and backed by smart features like memory recall and auto shut-off, it’s a dependable tool for monitoring feed or irrigation pH in greenhouses, nurseries, or small plant systems.
Why growers trust the GROWERS OWN pH Meter:
- Range 0.0–14.0 pH with 0.1 resolution for standard nutrient monitoring
- Accuracy ±0.2 pH — trusted precision for feed formulations
- Memory function stores ~10 previous readings for trend tracking
- Auto shut-off after ~15 minutes conserves battery life
- Lightweight (~70 g) and slim 170 × 32 × 15 mm profile
Product details:
Dimensions: 170 × 32 × 15 mm Weight: ~ 70 g Batteries: 4 × 1.5 V button cell Units per case: 1
GROWERS OWN pH And Moisture Meter 2 in 1 Tester
£4.55
Unit price perGROWERS OWN pH And Moisture Meter 2 in 1 Tester
£4.55
Unit price perGROWERS OWN pH And Moisture Meter 2 in 1 Tester - Dual-purpose soil tester for quick pH and moisture checks
Designed for growers who value precision without overcomplication, the GROWERS OWN pH and Moisture Meter offers fast, reliable soil readings to help fine-tune growing conditions. This analogue 2-in-1 tester gives instant feedback on both soil acidity and moisture levels – ideal for checking compost mixes, open field beds, or container media. No batteries, no fuss – just practical, repeatable insights for managing nutrient availability and avoiding over- or under-watering in commercial horticulture settings.