Bloom Humate yellow bottle, liquid humic acid additive by Bloom Yellow Bottles

Humate by Bloom — 10% Humic Acid for Better Nutrient Uptake

BLOOM-HUMATE-300

$19.95
/
Tax included. Shipping calculated at checkout.

10% humic acid from leonardite that conditions the root zone and helps plants use more of the feed you already add. 0.5ml per litre every feed.

Size
  • Handpicked by growers
  • Ships today
  • Real advice, real people
  • 5,000+ high yielding customers
  • 30-day returns*
  • Free shipping over $499*
  • In stock, ready to ship
  • Backordered, shipping soon

Pairs well with

Adding more nutrient does nothing if the plant can't take it up. Humate by Bloom is a concentrated humic acid, 10% from leonardite, that conditions the root zone and holds minerals in forms roots can reach, so more of the feed you already pay for gets used. It runs at 0.5ml per litre in every feed from seedling to late flower, and a litre makes 2,000 litres. It's an uptake helper that sits on top of your base, not a nutrient in its own right, and it won't make up for a feed that's short to begin with.

More from the feed you buyHolds minerals in forms roots can reach, so less washes straight past the plant.
10% humic acidA concentrated leonardite humic, read straight off the label.
1 litre makes 2,000 litresAt 0.5ml per litre, one of the cheapest bottles per watering in the range.
Every feed, any stageSeedling to late flower at one rate, alongside any base feed.
Soil, coco or hydroBloom lists one rate across all three.
A Bloom pairingBloom runs it with Sea Minerals: minerals in, and Humate to help the roots use them.

Specifications
Brand: Bloom (Agricultural Organics)
Type: Humic acid additive
NPK: 0.06 - 0.05 - 3.12
Key inputs: Humic acid 10% (from leonardite), potassium hydroxide
Rate: 0.5ml per litre
When to use: Every feed, seedling to late flower
Yield: 1L makes 2,000L of feed at 0.5ml/L
Concentrate pH: 8–10 (alkaline)
Suits: Soil, coco and hydro
Sizes: 300ml, 1L, 2.5L, 25L
Made in: South Australia
Biodegradable: Yes, 100% (manufacturer)

Grower's Tip
  • Stick to 0.5ml per litre. Humate works on how the plant uses your feed, so more doesn't add more.
  • It's alkaline, so add it with your other nutrients and adjust pH last.
  • Living soil or tired outdoor beds are where Humate earns its place fastest.
  • Pair it with Sea Minerals, as Bloom does, so the roots have a full mineral spread to take up.
  • Bloom's range isn't built for tight dripper systems. It runs fine through 4mm tubing or by hand-watering, and even a once-a-week hand-water is worth doing.
  • Shake well before use. Colour and consistency vary a little between batches, which is normal.

How To Use It
1Shake the bottle well.
2Add 0.5ml per litre to your nutrient solution alongside your base nutrients.
3Mix thoroughly, then check and adjust pH last.
4Feed as normal at every watering, seedling to late flower.
5Keep it in through the cycle, and stop with the rest of your additives for the final flush.

Pairs Well With

Frequently Asked Questions
What does Humate do?

It conditions the root zone and holds minerals in forms roots can reach, so plants take up more of the feed you already give them.

How much do I use?

0.5ml per litre, every feed, from seedling to late flower.

Is Humate a fertiliser?

No, not really. It's 10% humic acid with a little potassium. It helps the plant use your feed rather than feeding it directly.

Do I need to cut back my base nutrients?

No. Bloom designs its additives to run alongside your base feed at its normal rate, so you add Humate on top rather than in place of anything.

Can I use it in coco or hydro?

Yes. Bloom lists soil, coco and hydro at the same 0.5ml per litre.

Does Humate affect pH?

It can. The concentrate is alkaline (pH 8–10), so add it with your nutrients and adjust pH last.

How long does a bottle last?

A litre makes 2,000 litres of feed at 0.5ml per litre. The 300ml makes 600 litres.

Is it certified organic?

No. Bloom makes the range mostly from natural inputs, but the products are not certified organic, so we don't sell them as organic.

Select Size

Get More From Every Feed

Free shipping over $499* on bottles up to 2.5L. 15L and 25L drums ship at freight rates.

Shop All Bloom

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

Growers First, Retailers Second

Welcome to The Grow Guys

We built The Grow Guys from the soil up — well, coco and perlite. Before we sold gear, we bought it, ran it, and learned the hard way what's worth the money and what ends up in the shed. That's the filter everything on our shelves passes through. No sales scripts, no rebadged junk, no telling you what you want to hear. Just gear we'd run ourselves and advice from people who actually grow. Chasing higher yields, tighter flowers, or your first harvest? You're in the right place.

Meet The Grow Guys

FAQs

Order by 2pm and it ships the same business day from Invermay, Tasmania.

Calculated at checkout by weight and destination. Free shipping over $499*.

Plain packaging, no branding. No one knows what's in your box.

30-day change-of-mind returns on unopened, unused products. A 10% restocking fee applies and return shipping is at your cost.

Call, email, or walk into the Invermay shop. You'll get a grower on the other end, not a script.

Unit 10/110 Gleadow Street, Invermay 7248. Mon–Fri 8:30am–5:30pm, Sat 9am–3pm.

You may also like

Recently viewed