Description

Aptus Regulator is a plant-strengthening additive built around a patented formula that acts as a nutrient transporter: it increases the absorption and bioavailability of other nutrients in your feeding programme, so plants take up and use what you're already feeding them more efficiently. It's designed to be the cornerstone of any plant nutrition programme, used alongside your base nutrients rather than instead of them.

Read the full product details here...

What's in Regulator

  • Mono-silicic acid (Si): the main nutrient transporter in the formula.
  • Boron (B): a precursor that enhances calcium uptake and fibre production.
  • Molybdenum (Mo): moves nitrogen from lower, older leaves to new upper growth.

Why use Regulator

  • Improves bioavailability, absorption and utilisation of nutrients already in your feed
  • Builds stronger cell structure and a tougher epidermis layer, for sturdier plants and thicker stems (increases dry weight)
  • Helps resist abiotic stress: temperature swings, wind, drought
  • Helps resist biotic stress: pests and pathogens
  • Reduces and controls internode spacing caused by temperature stress or unbalanced nutrition
  • Increases resistance to salinity (nutrient salt build-up)
  • Reduces transpiration (moisture loss from the leaves)

How to use Regulator

Regulator is highly concentrated (1:6660 dilution), so a small dose goes a long way: just 1.5ml per 10 litres of water is enough to see an effect, which also makes it cost-effective to run.

  • Always mix Regulator into a tank of clean water before adding any other fertilisers, boosters or crop protection products.
  • Mix until it's evenly distributed through the water, then continue adding the rest of your feed.
  • Keep water and dirt out of the Regulator bottle.
  • Use dry, clean syringes or measuring cups when extracting it.

The science in brief

Boron is the basis for a lot of other nutrient uptake: it particularly enhances calcium uptake and stimulates fibre production, for better quality and more dry matter. Molybdenum is a key part of the nitrogenase enzyme's activity, when nitrogen is in short supply, plants draw on molybdenum to keep that enzyme active, which is how nitrogen gets moved from old leaves into new leafy growth.

Why buy Aptus from Black Country Systems

We're a family-run hydroponics shop at Unit 2 Black Lake, West Bromwich, B70 0PJ, trading for more than ten years. UK delivery is free on orders over £94.99, we price match, and you can call us on 0121 553 7872 or message us on WhatsApp if you want help fitting Regulator into your existing feed plan. See our full additives & boosters range and hydroponic nutrients for everything else in your feeding programme.

Aptus Regulator FAQs

Does Regulator replace my base nutrients?
No. It's an additive that improves how well your plants take up and use the nutrients you're already feeding: it works alongside a base feed, not instead of one.

When do I add it to the tank?
Mix it into clean water first, before any other fertiliser, booster or crop protection product, so it's evenly distributed before the rest of your feed goes in.

Will I notice the dose is small?
Yes, at 1:6660 it's a concentrated formula, so 1.5ml per 10L is the stated dose. Don't be tempted to add more.

Explore the range

See all Additives & Boosters (153)

Not sure which one is right for your setup? Message us on WhatsApp or call 0121 553 7872.

Delivery, returns and FAQs

Will my order arrive in plain packaging?

Yes. Every order is sent in plain, unbranded packaging as standard.

How quickly will my order arrive?

Order standard size items by 12pm on a working day and choose Next working day at checkout, and your order will be with you the next working day. Standard delivery takes 2 to 3 working days.

Bulky items such as grow tents, large fans and 50L bags of soil go by courier in 2 to 3 working days, or on a pallet for very heavy orders. Next day is not available for these, and if your basket includes a bulky item the whole order travels with it.

UK delivery is free on orders of £94.99 or more, except for bulky items. See our delivery page for full prices.

Can I collect from the shop?

Yes. Choose Click & Collect at checkout and pick up for free from our shop at Unit 2 Black Lake, West Bromwich, B70 0PJ. Orders are usually ready within 1 hour.

Can I return an item?

You have 14 days from receiving your order to tell us you want to cancel, then a further 14 days to send it back. Items need to be unopened and in a resaleable condition.

If you change your mind, the return postage is paid by you. If something arrives faulty or damaged, send us photos within 48 hours and we will cover the cost of putting it right. Full details are in our refund policy.

Do you price match?

Yes. If you find the Aptus Regulator Plant Strengthening Additive 1L cheaper at another UK retailer, use the Price Match button on this page. We usually reply within one business day.

Need help choosing?

Speak to our team. Call us on 0121 553 7872, message us on WhatsApp, or visit the shop in West Bromwich.

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