PRODUCT DETAILS
Intense Pro Series – pH Down Ultra is a high-strength pH adjuster designed for serious growers who need accurate and consistent pH control. Whether you're working with soil, coco, or hydroponic systems, maintaining the correct pH is essential for healthy plant growth and maximum nutrient uptake.
This concentrated formula is fast-acting, reliable, and suitable for use in all growing environments. Ideal for both hobbyists and professionals, pH Down Ultra helps keep your feed solution within the optimal pH range for stronger, more productive plants.
Key product benefits:
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Highly concentrated solution for long-lasting use
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Precise pH adjustment for better nutrient availability
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Suitable for use in soil, coco coir, and hydroponic systems
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Helps prevent nutrient lockout and deficiencies
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Fast-acting and easy to use
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Trusted by professional growers across the UK
Directions for use:
Add small amounts gradually to your nutrient solution while stirring, and test pH regularly until the desired level is reached. Recommended pH range is typically between 5.5 and 6.5, depending on your medium and crop.
Caution: This is a corrosive acid. Always handle with care, use protective equipment, and follow all safety guidelines provided.
REVIEWS
SHIPPING & RETURNS
Delivery Information
Most orders are shipped within 24 hours.
Orders are currently shipped with Parcelforce (Express 24 service for standard and heavy/bulky items) or DPD Local (Premium next-day), a signature will be required on delivery. We have been shipping orders for 15 years and our courier choices are subject to change as service levels fluctuate.
All orders are shipped on a next day courier service – you will be informed via email or SMS the evening your order leaves us so you know to expect it the next day. On the morning of delivery you will get another SMS or email informing you of the expected delivery time.
If you have any questions on delivery please get in touch.
As the website calculates some charges by weight it is possible that shipping is not calculated correctly. We reserve the right to get in touch in these circumstances we will request the additional amount or offer to refund the order.
UK Delivery
Standard delivery to the UK Mainland addresses (excluding Scottish Highlands & Islands, offshore and N.I.) is charged at a flat rate of just £5.95 per order or £7.95 (for the premium next-day service), standard delivery (with Parcelforce) is free* for orders over £50.
*Large and/or heavy items attact a surcharge from our courier - shipping surcharges are calculated per item and are applied regardless of order value.
Non-UK mainland destinations are charged by weight.
International Delivery
Coming soon…
Collect in Store (Bristol)
We now offer a 'collect in store' option, which allows you to pay for goods online and collect from our Bristol store at time that suits you (within our opening hours).
The process is simple:
- place your order and pay online, select 'Pick Up' at checkout;
- receive an email confirming that the order is ready for collection;
- bring/show your confirmation email and photo ID to collect your order.