Terms & Conditions
 
Medium

 

 
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50L Canna Coco Natural Fibre

Canna Coco is a fantastic plant growth medium, offering many advantages to both plants and grower.  It has excellent drainage and capillary action so it is harder to overwater and you can water from the bottom easily.  Canna coco is a 100% natural product, manufactured from coconuts grown in Sri Lanka.

£10.00

 
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50L Canna Professional Coco Fibre

 

Canna coco professional plus is a pure, organic product that has had a full buffering eliminating the side effects of using coir.  Thanks to Canna's unique process professional coco plus is free of harmful viruses and soil diseases and has complex water/air system that provides ideal conditions for great root formation.

 

£11.00

 
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50L Canna Professional Soil Mix

 This Canna Soil mix is one of the best in terms of quality and consistency.  The mix contains a range of peats as well as perlite and is nutrient enriched.

   
£12.50

 
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Bio Nova Coco Bricks compressed coco makes 50L +

 

These blocks of compressed coconut fibre will hydrate into 10 litres of ready-to-use coconut substrate after adding 3 litres of water to it.  Furthermore, its volume will increase approximately ten fold.
 

 

 
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50L Canna Terra Professional PLUS Soil Mix

This special formula comes from the desire to create the purest soil potting mix available, formulated specifically for indoor growing.

£14.00

 
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50L All Mix Soil Bio Bizz

All-Mix is a heavily pre-fertilized soil mixture it has enough power to sustain lush plant growth for a couple of weeks with no extra fertillizer required.

All-Mix was developed especially to be the best potting soil for organic cultivation.  It consists of 20% sphagnum peat moss, 35% garden peat, 10% high quality organic BIOBIZZ Worm-Humus, 30% perlite and 5% Pre-Mix.

       
£11.00

 
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50L Light Mix Bio Bizz

Light-Mix is an ideal substrate for organic growers who want to introduce fertilizers from the very beginning in large quantities without the fear of overloading the soil and causing nutrient burn of the plants.

       
£10.00

 
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Canna pH Stable Clay Pebbles flood and drain

These 45 and 10ltr bags are for use with a flood and drain system as well as being ideal for adding to the bottom or mixing with soil for improved drainage.  Clay pebbles are an excellent medium for pot culture and Flood and Drain systems. When planting into clay pebbles, the plants should be inserted well into the depth of the substrate to encourage rapid root growth. Plants placed onto the surface of the substrate will not easily root into the top layer.

   
 

 
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Vermiculite.

 

Grotec advise that all soil mixes should contain some  perlite and vermiculite.  Many experienced growers mix soil, perlite and vermiculite in equal parts. To maximise the soils potential.

 

 
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Perlite.

 

Volcanic rock used to expel water and create a lighter soil mix in combination with vermiculite.  Helps when used in combination with perlite to create capillary action within the pot enabling the moisture to transgress through the pot and encourage air roots and avoid stagnant or un watered areas.

 

 
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Canna Coco Slab 1M

 

These 1M slabs hold 15L of coco and  have drainage holes so plants can be potted into them with minimum effort.  Canna Coco is a fantastic plant growth medium, offering many advantages to the plants.  Canna coco is a 100% natural product, manufactured from coconuts grown in Sri Lanka.

 

 
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U Gro 9Ltr Coco Pot

9 liters of comresed coco in a disposable pot quick easy and with very little mess. No bulky coco or pots to move around and come in handy discreet boxes of 10.
 
 
 
Kits

 

 
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XL Basic Kit (XL Coco Kit)

    

Dimensions (L x W x H): 1.2m x 1.2m x 2.0m

This kit has been put together for starters to get themselves going with the essentials for start up.

£260.00

 
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XXL Starter Kit (XXL Coco Kit)

 

Dimensions (L x W x H): 2.4m x 1.2m x 2.0m

This kit has been put together for starters with the essentials for start up using Coco fibre.

£430.00

 
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XXL Hobby Kit (Coco Kit)

£1000.00

 
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12 Plant Tropf-Blumat autowatering gravity fed dripper kit

 

This system will revolutionise the watering of plants.  This 12 pack system comes with a 47L tanks and 12 maxi drippers and fittings to suit.  Just follow the simple instructions and you are ready to go.

£60.00
 
 
Pots & Trays

 

 
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Air Pots

Air Pots use air prunning to promote more feeder roots and and prevent root spiraling.

These pots will bring the best out of any plant due to the extensive root system that can be developed.  Like many great ideas they're simple but highly effective.

Great savings on 8Ltr, 10Ltr and 15Ltr.

 

 
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Large Flowering Coco Pots (20L approx)

These pots come with larger holes at the bottom to aid drainage

Many growers prefer to use 20L as it is true to say the more room the roots have to develop the better.  Try not to cut too many corners regarding pot size as you will pay for it later when your roots have nowhere to run and nowhere to hide.

Dimensions; 33.5 cm diameter
 

 
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Clear Plastic Saucers for 20L pots

We recommend that plants should be watered from the bottom.  These saucers allow the growers to move their plants around individually and are a cheap way of ensuring no roots die due to underwatering.

These saucers are 34cm in diamter and 4cm deep.

 

 
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15 litre pots Large flowering pots

 

Perfect for mother plants although many growers flower in them. Grotec recommend the 10 L pot as the minimum for flowering in although many growers prefer to use 15L as it is true to say the more room the roots have to develop the better.   Try not to cut too many corners regarding pot size as you will pay for it later when your roots have nowhere to run and nowhere to hide.   Always Line the bottom of your pots with clay pebbles as good drainage is essential.

 

 
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Clear Plastic Saucers for 15 litre pots

 

We recommend that plants should be watered from the bottom.  These saucers allow the growers to move their plants around individually and are a cheap way of ensuring no roots die due to underwatering.

These saucers are 30cm wide and 4cm deep.

 

 
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11L Flowering Coco Pots

 

These pots come with larger holes at the bottom to aid drainage.  Grotec recommend the 11 L pot as the minimum for flowering in although many growers prefer to use 15L as it is true to say the more room the roots have to develop the better.

 

 

 
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11L Square Pots

 

These pots are used to bring your plants to the end of their term.  You can fully flower large plant in these pots.

 

 
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Clear Plastic Saucers for 10L pots

 

We recommend that plants should be watered from the bottom.  These saucers allow the growers to move their plants around individually and are a cheap way of ensuring no roots die due to underwatering.

These saucers are 30cm in diamter and 4cm deep.

 

 
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Large Garden Tray Offer Bestseller

 

This large garden tray is ideal for growers who want to water their plants from the bottom.  Grotec are now able to give a 40% discount on one of our most popular lines ever!

Dimensions: 1100mm x 550mm x 50mm Deep.

 

 
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7L (2 Gallon) Flowering Coco Pots

 

These pots come with larger holes at the bottom to aid drainage
Try not to cut too many corners regarding pot size as you will pay for it later when your roots have nowhere to run and nowhere to hide.

Dimensions; 20.5cm diameter
 

 
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100 x 11L Pots and Saucers UNBEATABLE VALUE

 

Grotec recommend the 11L pots as the minimum for flowering in although many growers prefer to use 15L as it is true the more room your roots have to run the better.

Try not to cut too many corners when choosing pot size as you will pay for it later when your roots have nowhere to run.

Always line the base of you pots with pebbles as drainage is essential.

£140.00

 
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Polythene potting bags

These light weight pots are an ideal solution to growers who want to save time and money.  These durable pots are a fraction of the price of normal pots and are often used as disposables, even though they can be used time and time again.

 

 

 
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6.50L Square Pots

 

Ideal for young plants to be kept in during veg.  These pots are also good for complete grow in confined spaces.

 

 
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3.50L Square Pots 15cm x 15cm x 20cm

 

These pots are prefect intermediate stage pots for vegetative stage plants.

They are also very good if you want to run an NFT system with Coco fibre.

 

 
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1.50L Square Pots 13cm x 13cm x 13cm

 

These are good pots for cuttings a later stage vegetative plants.

 

 
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0.5L Square Pots 9cm x 9cm x 10cm

 

Good for larger cuttings that you need to leave for a couple of days.

 

 
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5L Pots

 

Ideal for young plants to be kept in during veg.  These pots are also good for complete grow in confined spaces.

 

 
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7.5 litre Pots Flowering Pot

 

Although GroTec recommend the 10L pot as a minimum size, the 7.5 L pot is very popular as you can save space and fit more into your area.  Try not to cut too many corners regarding pot size as you will pay for it later when your roots have nowhere to run and nowhere to hide.   Always Line the bottom of your pots with clay pebbles as good drainage is essential.

 

 
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Clear Plastic Saucers for 7.5L pots

  

We recommend that plants should be watered from the bottom. These saucers allow the growers to move their plants around individually and are a cheap way of ensuring no roots die due to underwatering.

These saucers are 18cm wide and 4cm deep

 

 
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10L Flowering Pot

 

These quality round 10L pots are a favourite amongst soil and coco growers.

£1.30

 
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Small Garden Tray

 

Dimensions: 598mm x 598mm.

These trays are used to water the plants from the bottom (recommended).  They are a perfect fit for 4 10ltr pots and are most commonly sold with an auto top up valves system, which will keep a constant 2 cm of water in the bottom of the pot.  However they are just as useful if you are hand watering.

They have hundreds of other uses and are one of our more popular lines.

 

 
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Meter Square Garden Tray

 

This tray has a depth of 12 cm and a massive internal capacity of 100 Litres. The Metre Square Tray features a series of shallow horizontal ridges on the internal base of the tray which aid drainage from plant pots.

£25.00

 
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Utility Tray

    

These trays are used to carry around seedlings, put a pot on while you tend to a plant, or  used to water a plant.  They have many different functions and are absolutely invaluable to a grower.
Dimensions : 56cm x 33cm

£2.50

 
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Tank / Bucket

 Quality air tight and light tight black buckets ideal for mixing two-part nutrients or for using as a tank by simply adding a grommet.

  Also great as smell proof storage buckets 

 

 
 
 
Autopot

 

 
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Autopot

 

Auto pots have simplified many growers lives.  They have many domestic applications like watering house plants whilst you are on holiday.  The system is simple it allows the grower to automatically leave around 2cm of water in the bottom of the pots. 

 

 
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Twin Autopot

    

This two pot system is run by the one valve reducing the cost however the single pot system seems to be more popular as they are more versatile. i.e. you can move them around independently.

 

 
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Twin AutoPot + 47Ltr Tank

    

You can use one smart-valve for more than one pot. This two pot system is run by the one valve reducing the cost however the single pot system seems to be more popular as they are more versatile. i.e. you can move them around independently.  This kit also comes with a 47l tank to hold feed for your plants.  Each pot with the twin kits has 8L capacity. For more information check out the auto top up valve write up or call for further advise.

£28.00

 
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Complete Autopot Kits

These 2 plant to 12 plant kits completely automate the watering of plants.  All you have to do is top up the tank every week.

They work well with both soil and coco fibre.

£45.00

 
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Smart valve

The smart-valve is the heart of the autopot systems. This valve controls the supply of water to the plants in accordance to the plants needs. The smart valve is very different from the conventional ball cock type of float valve in that it allows total reduction of the fluid level before it refills. It does not require any electricity or batteries to operate automatically, which is the major advantage over traditional irragation systems.
£10.00

 
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Smart Valve Cover.

The Smart Valve Cover if used in conjunction with the Smart Valve.  This allows the grower to create their own basic but very effective hobby watering system. All that is needed is a flat tray of any shape or size. The user simply places the Smart Valve in the tray & places the Smart Valve Cover over the top of it. A small weight of any kind needs to be placed on the Smart Valve Cover to weigh it down and the Smart Valve beneath it.
£3.00

 
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Flexi Butt

Unlike other waterbutts and barrels, the Flexi Butt can be stored away when not used, can fit where other tanks cannot go and is adaptable in ways standard tanks are not. At present we are offering the Flexi Butt in 100 and 200 litre sizes.
 

 
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AutoPot Tank with gromet for 8mm pipe

Suitable to water & feed 1-4 single Pot systems, 1-4double Pot Extension trays or 1-8 aquaPots system.


 

 
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100L Butt for Autopot systems

These slim line 100 L tanks are tall and thin and will fit in a corridor as narrow as 16 inch.  Which is very handy for most growers.

This Butt is approx 95cm high

They come with a simple screw in tap and are perfect for header tanks.

There is a stand available to suit though its not always necessary.

£30.00

 
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200L Butt for Autopot Systems

 The bigger the nutrient or header tank the better for most growers as it is best to let all water to stand for 24 hrs before use and its every growers nightmare to run out of suitable water.
These tanks have easy fit taps and can be used with the entire range of auto top up and self watering systems we sell as well as being ideal for header/nutrient tanks.
£40.00

 
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Stand for 100L Butt

An easy way to raise the water tank mainly for gravity fed systems.
£15.00

 
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Stand for 200L Butt

An easy way to raise the water tank mainly for gravity fed systems.
£20.00

 
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Inline reducers 16mm to Autopot Line

 

These useful fittings will allow you to run multiple autopot systems from 1 standard tank.

£1.00

 
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Air Dome for AutoPot

These cages connect to air pumps and can be sat in the bottom of your pot of soil or coco, pumping air directly into you root system encouraging vigorous growth.        
£4.00

 
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Copper Root Control Mat

These mats come with the Autopot kits.  They are cut to fit the Autopots.
£1.20

 
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Top Hat Grommets

Used mainly for gravity fed systems like autopots and troph blumat drippers.

An easy effective way to make any tank or bucket into a feed or header tank.

£1.00

 
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310L Water Butt Recycle rain water inc tap


The bigger the nutrient tank the better for most growers as it is best to let all water to stand for 24 hrs before use and its every growers nightmare to run out of suitable water.

These tanks have easy fit taps and can be used with the entire range of auto top up and self watering systems we sell as well as being ideal for header/nutrient tanks.

£60.00

 
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AutoPot Tee

Designed to fit 5mm pipe.

 

 
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AutoPot Cross

Designed to fit 5mm pipe.
 

 
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AutoPot Tap

Designed to fit 5mm pipe
 

 
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AutoPot Straight Connector

Designed to fit 5mm pipe.
 

 
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Auto Pot Pipe

6mm pipe perfect for use with Auto Pots and Aqua Valves.
 

 
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15L Pot for Single AutoPot

£3.00

 
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8L Pot for Twin AutoPot

£2.00