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Natural Solutions

Natural Solutions

Rainbow & Brown stocks a range of natural products and biological solutions to stimulate plant and crop growth and health.   

Seaweed Products, Foliar Fertlisers, Blood and Bone Liquid Fertilisers, and Humates.  We ship NZ wide.

 

Natural Solutions include:
  • BioTreat K-Mate – 100% soluble humic acid and fulvic acid as the potassium salt.
  • Seaweed Extract Flake – a natural bio-activator to stimulate optimum microbial activity in the soil, which helps break down organic matter and make it more readily available to plants. Contains concentrated extract of the seaweed species Ascophyllum nodosum in the form of a water-soluble flake.
  • BioTreat Fertiliser Tablets – Slow release NPK fertiliser tablets for tress, shrubs, hedges, ornamentals and natives. These tablets will release slowly for 1-2 years providing long-term sustenance.
  • Nitrosol Range including Original, Oceanic & Organic. Bulk blood and bone fertilisers in an easy-to-use liquid form.
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BIOTREAT AMINO-80 - Nitrogen Source 16-0-0-0, Amino Acid - Biostimulant organic fertiliser
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Brand: Bio Treat Code: BIOT-AMINO80-20KG
BIOTREAT AMINO-80 - Nitrogen Source 16-0-0-0, Amino Acid - Biostimulant organic fertiliser
AMINO-80 : 16-0-0-0 Nitrogen (N) as enzymatic amino acids What is Amino-80? Amino-80 from Rainbow & Brown is a BIO-GRO Certified organic fertiliser and biostimulant containing 80% amino acids..
Starting From $207.00
Ex Tax:$180.00
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BIOTREAT K-MATE - POTASSIUM HUMATE (HUMIC ACID), FULVIC ACID, POTASSIUM - SOIL CONDITIONER
20% OFF Small Packs
Brand: Bio Treat Code: BIOT-KMATE-2KG
BIOTREAT K-MATE - POTASSIUM HUMATE (HUMIC ACID), FULVIC ACID, POTASSIUM - SOIL CONDITIONER
SOLUBLE HUMATE Potassium humate (Humic acid) with fulvic acid (fulvate) and potassium 100% soluble humic acid and fulvic acid as the potassium salt. **NOTE** Gibb-Gro Potassium Humate is now so..
Starting From $21.85
Ex Tax:$19.00
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SEAWEED EXTRACT FLAKE - Soluble Seaweed used as a fertiliser for Pasture Growth, Horticulture and as an Animal Feed additive
20% OFF Small Packs
Brand: Seaweed Treat Code: SEAWEED
SEAWEED EXTRACT FLAKE - Soluble Seaweed used as a fertiliser for Pasture Growth, Horticulture and as an Animal Feed additive
A natural product to promote water absorption and retention activity in the soil, which helps break down organic matter and make it more readily available to plants. Improves aeration and stability th..
Starting From $9.20
Ex Tax:$8.00
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BIOTREAT - FERTILIZER TABLETS - Slow release NPK fertiliser tablets for trees, shrubs, hedges, ornamentals and natives
20% OFF Small Packs
Brand: Bio Treat Code: BIOT-FERTTAB
BIOTREAT - FERTILIZER TABLETS - Slow release NPK fertiliser tablets for trees, shrubs, hedges, ornamentals and natives
TREE & SHRUB TABLETS -SLOW CONTROLLED RELEASE FERTILISER Packed full of Macro and Micronutrients BioTreat Tree and shrub tablets are 10g tablets designed to slowly release the minerals and trace..
Starting From $20.24
Ex Tax:$17.60
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NITROSOL OCEANIC - Fish based NPK 11-5-7 liquid blood and bone fertiliser
10% OFF 200L & 1000L - SEPTEMBER ONLY!
Brand: Nitrosol Code: NITRO-OCEAN
NITROSOL OCEANIC - Fish based NPK 11-5-7 liquid blood and bone fertiliser
Nitrosol Oceanic- Fish Blood and Bone Nitrosol Oceanic is produced using hydrolysed deep-sea fish blood and bone together with trace elements and minerals to provide a rounded 11-5-7 NPK formulatio..
Starting From $30.00
Ex Tax:$26.09
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BIOTREAT LAWN, FRUIT AND VEGGIE FERTILISER - NPK 12-6-12 fertiliser granules containing Seaweed and organic matter
Brand: Bio Treat Code: BIOT-FERTLAWN
BIOTREAT LAWN, FRUIT AND VEGGIE FERTILISER - NPK 12-6-12 fertiliser granules containing Seaweed and organic matter
NPK Fertiliser - 12-6-12 for veggies, fruit trees and lawns This BioTreat Fertilizer is a 12-6-12 NPK fertiliser on steroids.  These handy and easy to apply granules, apart from containing N-P-K al..
Starting From $34.50
Ex Tax:$30.00
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NITROSOL ORIGINAL - Blood and Bone based NPK 11-5-7 Liquid Fertilisers
10% OFF 200L & 1000L - SEPTEMBER ONLY!
Brand: Nitrosol Code: NITRO-ORIG
NITROSOL ORIGINAL - Blood and Bone based NPK 11-5-7 Liquid Fertilisers
Nitrosol Original-Blood and Bone Liquid Fertilisers Nitrosol Original is produced using sheep (ovine) blood and bone sourced locally from New Zealand abattoirs and formulated with trace elements, m..
Starting From $30.00
Ex Tax:$26.09
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NITROSOL ORGANIC - BIOGRO APPROVED - NPK 6-1-3 LIQUID FERTLISER
Brand: Nitrosol Code: NITRO-ORG-5L
NITROSOL ORGANIC - BIOGRO APPROVED - NPK 6-1-3 LIQUID FERTLISER
Nitrosol Organic - NPK 6-1-3 Nitrosol Organic  is produced using hydrolysed deep-sea fish blood and bone together with seaweed and carbohydrates  to provide a balanced 6-1-3 BioGro approved Organic..
Starting From $90.85
Ex Tax:$79.00
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NITROSOL TOMATO - For tomatoes, veges, berries NPK 11-5-10
Brand: Nitrosol Code: NITRO-TOMATO-1L
NITROSOL TOMATO - For tomatoes, veges, berries NPK 11-5-10
Nitrosol Tomato – for Tomatoes, Vegetables, Berries  Balanced nutrition with extra potassium for deliciously tasty tomatoes, and ideal for all vegetables and berries. A little goes a long way - ..
Starting From $30.00
Ex Tax:$26.09
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NITROSOL TURFXPERT - Professional Grade liquid lawn fertiliser
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Brand: Nitrosol Code: NITRO-TURF
NITROSOL TURFXPERT - Professional Grade liquid lawn fertiliser
Nitrosol TurfXpert Liquid Lawn Fertiliser - Advanced Turf Care Solution Transform Your Lawn with New Zealand's Premium Liquid Fertiliser Nitrosol TurfXpert from Rainbow & Brown is the advanced l..
Starting From $69.99
Ex Tax:$60.86
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Showing 1 to 10 of 10 (1 Pages)
Thank you so much Shayne, the WEED LIBRARY is excellent, especially with the printable PDF’s!
J Anda
Great prompt response from Shayne at Rainbow & Brown. Needing info on eradicating Horsetail, excellent advice thanks so much.
- R Parsons
Thanks again, you guys are a wealth of information and help, happy to be purchasing from you.
- John C
I am truly delighted with the service you provide. Every email and question I’ve had regarding product usage and pre-purchase advice has been met with patience and accurate guidance. Despite being a small customer, you have treated me with exceptional care, and the level of service you offer is outstanding. I greatly appreciate your support and cannot recommend you highly enough to anyone in need of high-quality commercial-grade products at a great price. Once again, thank you for everything,and I will gladly spread the word!
- Veera
Always such good service from your company. Thank you so much
- Joy C
...you have always provided a great product and brilliant Customer Service - actually stands out in today's world of offshore, multilingual "Help" call centres which I personally dislike.
- Carol M
I really appreciate the time you've taken to answer me - very thorough :)
- Anna E
Though I am not a big customer of yours, one thing I would like to thank you for your prompt response(s) to my questions or text messages. I am very much impressed with your customer service as well as the quality of your products. Recently I bought some products (for a couple of hundred dollars from another company) and emailed them some questions regarding the products I bought from them but they went silent after one response. The email was sent to their territory manager with a follow-up and the owner as well one after the other but they didn't bother to respond. Perhaps I am a small customer and of no value to them. Unfortunately Rainbow and Brown doesn't manufacture those products but for sure I am not going to buy from them either. Once again thank you so much
- Surinder
Excellent customer service and great product - 10/10 for Rachel who was excellent to deal with including a mistake in ordering and she dealt with, my mistake not theirs!!The rectification went without so much as murmur. Top marks to all - there level of customer service went above and beyond.
- Campbell W
Awesome, thanks so much for your help. I made an order this morning on the website and did the bank transfer.
- Kieran G
Such a pleasure to purchase from your company that has by far the best customer service, advice and product we have come across in long time.
- Tracy Y
I have just purchased some Grassmate and it seems that is the best option. We spray small lifestyle blocks and more often than not we are boom spraying on properties where the owners are trying to establish pasture from the grass that is growing on the clay. Thanks so much for your reply and advice Michelle H
- Michelle H
Thank you Shayne for prompt reply, placing an order now.
- Philippe C
Thanks for your great service it is very much appreciated
- Mark M
Brought from you guys before, always good service, Hightly recommended A+++
- Jessop P
I tried Biowet as an alternative to reduce mortality in my beehives and the results matched the rate and efficiency of the regular penetrants. Excellent product.
- Herman R
Thanks for a fantastic trade, look forward to doing business with you again in the future.
- Graham B
You guys give great advice and service is always excellent. Been passing your name on to a few other franchises so hopefully they’ll start coming your way.
- Wallis H
A Big Thank You to all you guys. Excellent Service. I ordered my Granny and Fertilizer on Tuesday and received it this morning (Thursday) this was even to a Rural Delivery Address. Thank you Cheers Maurice
Maurice K
Awesome trade. Quick response and delivery. Now to get serious with the weeds. Thank you muchly AAA++++
- Raewyn M
Quick delivery and great quality. Thanks and highly recommended to all.
- Greg V
Thanks people that arrived super fast, keep up the good work.
- Murray B
Very helpful prior to purchase. Fast postage. Ka pai
- Illist G
As always very prompt delivery from R & B with their products. Very highly recommended
- Burkey
Awesome advice. Fantastic service and really fast delivery.. even to RD address!!
- Taikorea Gardens
Thank you, swift delivery despite the challenges of lockdown. Good value.
- Lynn T
Fast delivery, good product!
- Waiareka
The good guys of weed control. Another perfect trade. Highly recommend to people who are serious about killing weeds cost effectively. a+++++
- Nev
Arrived fast. Good price. Well happy
- Hewitt Builders
very prompt communication and delivery. very professional. highly recommended
- Tony V
Fantastic communication and service aaa+ Thank you
- Garretts
MSF600 is the only thing I've come across that's effective against Ivy and Privet. Outstanding product!
- Paul
Just ordered. Thank you very much...couldn't ask for a more helpful sale. Much appreciated
- Sophie C
Great thanks. Will stick to the grass mate as ordered for now. No clover issues so all good there. Your service is bloody great so thanks very much for that.
- Euan S
Great stuff. My order arrive yesterday --The purchase all happened so quick--how great. Yes --Day 1 -- ordered. Day two Invoice and paid for. Day 3 was at my place !! How's that. This is what used to happen 3 or 4 years ago years ago, that is why I have always patronized you --- B- great stuff, thanks
- Brian W
Although the reply, was not what I had hoped for in regards to my problem, I would like to thank you for taking the time to look into my issue. Far too many companies fail to answer any requests or just send an automated reply. It was obvious from your detailed response that you had actually taken the time to research it for me. Small things like this show your company in a very positive light, well done Thanks very much
- Glenn M
Thank you. This is the clearest advice I have received. Much appreciated. Thank you.
- Sam R
If you want good customer service, don't use this company BUT if you want exceptional customer service this is the company to choose. I asked the usual idiot questions and they were answered promptly and in language I could understand. I then bought their product and it performed better than expected and was affordable.
- Roy J
Many thanks we received the order within two days i have recommended you to the long list of farmers and lifestylers I know up here in the north and will be using your products in the future. Great dealing with you.
- Pete A
Great to talk to people who actually know what they're talking about. Great products prompt delivery....
- Gregg S
Buckshot: "Excellent product, easy to use. We carry on farm vehicles to control thistles, ragwort etc saves having to re-visit the paddock with a knapsack and hopefully some fuel!"
- Jodie
Wow! What great service. MSF 600 arrived in our letterbox this morning. Eat your heart out Covid 19. Rainbow and Brown are alive and well!
- Richard H
We just want to say how impressed we are with your awesome service and the speed of delivery. We ordered some products on Friday morning and they were delivered the next day to a rural delivery address. Thank you.
- Sue D