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Searles 1L Liquid Potash Fertiliser Supplement, High Potassium, Water Soluble

★★★★★
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Searles 1L liquid potash fertiliser supplement is a high-potassium feed that boosts flowering and fruiting, with a water-soluble formula that is safe for vegetables.

  • Volume: 1L
  • Potassium (K): 20
  • Phosphorus (P): 4
  • Nitrogen (N): 0
  • Water soluble: Yes
  • Safe for vegetables: Yes
  • Recommended use: 2-3 weekly foliar application

Potassium is the nutrient plants rely on for flower colour and fruit development, and at 20% K this concentrate is built to deliver it. As a water-soluble supplement it mixes for foliar spraying every 2 to 3 weeks across vegetables, flowers, fruit and lawns. A targeted feed for gardeners chasing better blooms and a heavier crop.

More about this product

Searles 1L Liquid Potash Fertiliser Supplement is a concentrated potassium fertiliser designed to enhance flower colour and fruit production across a range of plants.

This high analysis supplement contains 20% potassium (K) and 4% phosphorus (P), making it suitable for vegetables, flowers, fruit and lawns. It is designed for regular foliar application every 2 to 3 weeks. Potassium is essential for plant health, aiding flower colour and fruit development. Being water soluble, simply dilute and apply as directed.

Questions & Answers

What is liquid potash used for?

Potassium supports flower colour and fruit production, so a potash supplement is used to encourage better flowering and fruiting in the garden.

What is the potassium content?

It has a high potassium (K) analysis of 20, along with 4 phosphorus (P) and 0 nitrogen (N).

How often should I apply it?

The recommended use is a foliar application every 2 to 3 weeks.

Is it safe for vegetables?

Yes, it is marked safe for vegetables and also suits flowers, fruit and lawns.

How do I mix it?

It is water soluble. Dilute it in water and apply as a foliar spray following the label directions.

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Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 157 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
B
Ben A. 📍 Fremantle WA
★★★★★
2 months ago
✓ Verified Purchase

Quick delivery to regional QLD

The Searles 1L arrived fast and works perfectly out of the box.

G
Grace W. 📍 Parramatta NSW
★★★★★
2 months ago
✓ Verified Purchase

Perfect gift — loved it

Bought this as a replacement for one I have had for years and I am glad I upgraded. The new one is noticeably better. Had a tracking number within a few hours of ordering. Packaging was excellent, nothing damaged. Already told a few mates about this site. Great prices and genuinely fast shipping.

O
Oliver H. 📍 Rockhampton QLD
★★★★★
2 months ago
✓ Verified Purchase

Arrived well packed

The Searles 1L is a solid buy. I was a bit unsure about the size from the photos but it is perfect in person. Delivery was faster than expected. Very satisfied with this purchase.

N
Natalie F. 📍 Launceston TAS
★★★★★
3 months ago
✓ Verified Purchase

Better than expected

No issues at all. Fast delivery and exactly as described.

C
Chris N. 📍 Mackay QLD
★★★★★
3 months ago
✓ Verified Purchase

Great value for money

Spent a while looking for the right Searles 1L and this kept coming up as the best value. I can see why — quality is impressive for the price. Delivery took just 2 days to Townsville which is great. Packaging was solid and everything intact. My partner and I both use it daily now. Highly recommended.

R
Rebecca J. 📍 Albury NSW
★★★★★
3 months ago
✓ Verified Purchase

One of my best online buys

Quality product at a fair price. Delivered quickly. Happy.

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