Skip to content
  • Home
  • Best Sellers
  • Indoor Gardening
    • Complete Kits
      • complete kits - HPS
      • Complete Kits - LED
      • Complete Kits - CMH
      • Complete Kits - Propagation
      • Complete Light Kits
      • Other Kits & Deals
    • Growing Media
      • Clay Pebbles
      • Soil
      • Perlite
      • Rockwool
      • Propagation
    • Lighting
      • LED
      • HPS
      • CMH
      • Timers
      • Bulbs
      • Ballasts
      • Reflectors
      • Controllers
      • Accessories
    • Nutrients
      • Advanced Nutrients
      • Athena
      • Atami
      • BioBizz
      • Bloom
      • Buddha's Tree
      • Canna
      • CX
      • Dutch Pro
      • FloraMax
      • Fox Farm
      • GHE
      • Gold Label
      • Grotek
      • House & Garden
      • Hydrotops
      • Mills
      • Monkey Nutrients
      • Plagron
      • Plant Magic
      • Snoops Premium Nutrients
      • Vitalink
      • Foliage Sprays
      • Other Nutrients
      • Nano.10-9
    • Organics
    • Propagation
    • Environment
      • Fans
      • Filters
      • Extraction Kits
      • Duct
      • Clips, Clamps & Fittings
      • Silencers
      • Fan Speed Controllers
      • CO2
      • Heating
      • Humidity
      • Monitors
      • Climate Control
      • Circulation Fans
    • Pests & Disease
      • General Pest Control
      • Spider Mite Control
      • Thrip Control
      • Scairid/ Fungus Gnat Control
      • Root Disease Control
      • Spray Bottles & Guns
    • Tents & Sheeting
      • Tents
      • Sheeting
    • Tools & Accessories
      • Grow Room Essentials
      • Health & Safety
      • Measuring Equipment
      • Trimming, Drying and Curing
      • Odour Control
      • Plant Support
      • Other Tools
    • Growing Systems/ Pots, Saucers, Trays
      • Plant pots & Saucers
      • Water Butts, Flexi Tanks & Reservoirs
      • DWC Hydroponic Systems
      • Dripper Hydroponic Systems
      • Flood & Drain Hydroponic Systems
      • NFT Hydroponic Systems
      • Run to Waste Grow Systems
      • Aeroponic Systems
      • Irrigation Pipe & Fittings
      • Growlink Irrigation Controller
    • Water Quality and Devices
      • Nutrient Management
      • Water Heaters and Coolers
      • Water Movers & Circulation
      • Water Pumps
      • Air Pumps and Accessories
      • Water Filters and RO Units
  • Learning Resources
    • Feed Charts
    • How to Hydro
    • Click & Collect
  • Contact Us
  • VivoSun
  • Account
NPK in a white box with Gardening Solutions underneath
☎ 0151 440 3553
Cart
  • Home
  • Best Sellers
  • Indoor Gardening
    • Complete Kits
      • complete kits - HPS
      • Complete Kits - LED
      • Complete Kits - CMH
      • Complete Kits - Propagation
      • Complete Light Kits
      • Other Kits & Deals
    • Growing Media
      • Clay Pebbles
      • Soil
      • Perlite
      • Rockwool
      • Propagation
    • Lighting
      • LED
      • HPS
      • CMH
      • Timers
      • Bulbs
      • Ballasts
      • Reflectors
      • Controllers
      • Accessories
    • Nutrients
      • Advanced Nutrients
      • Athena
      • Atami
      • BioBizz
      • Bloom
      • Buddha's Tree
      • Canna
      • CX
      • Dutch Pro
      • FloraMax
      • Fox Farm
      • GHE
      • Gold Label
      • Grotek
      • House & Garden
      • Hydrotops
      • Mills
      • Monkey Nutrients
      • Plagron
      • Plant Magic
      • Snoops Premium Nutrients
      • Vitalink
      • Foliage Sprays
      • Other Nutrients
      • Nano.10-9
    • Organics
    • Propagation
    • Environment
      • Fans
      • Filters
      • Extraction Kits
      • Duct
      • Clips, Clamps & Fittings
      • Silencers
      • Fan Speed Controllers
      • CO2
      • Heating
      • Humidity
      • Monitors
      • Climate Control
      • Circulation Fans
    • Pests & Disease
      • General Pest Control
      • Spider Mite Control
      • Thrip Control
      • Scairid/ Fungus Gnat Control
      • Root Disease Control
      • Spray Bottles & Guns
    • Tents & Sheeting
      • Tents
      • Sheeting
    • Tools & Accessories
      • Grow Room Essentials
      • Health & Safety
      • Measuring Equipment
      • Trimming, Drying and Curing
      • Odour Control
      • Plant Support
      • Other Tools
    • Growing Systems/ Pots, Saucers, Trays
      • Plant pots & Saucers
      • Water Butts, Flexi Tanks & Reservoirs
      • DWC Hydroponic Systems
      • Dripper Hydroponic Systems
      • Flood & Drain Hydroponic Systems
      • NFT Hydroponic Systems
      • Run to Waste Grow Systems
      • Aeroponic Systems
      • Irrigation Pipe & Fittings
      • Growlink Irrigation Controller
    • Water Quality and Devices
      • Nutrient Management
      • Water Heaters and Coolers
      • Water Movers & Circulation
      • Water Pumps
      • Air Pumps and Accessories
      • Water Filters and RO Units
  • Learning Resources
    • Feed Charts
    • How to Hydro
    • Click & Collect
  • Contact Us
  • VivoSun
Account
Item added to cart. View cart and check out.
Call us with your grow room questions

Water Quality and Devices

Here you will find everything to do with water, how to purify, regulate and improve for whatever your growing needs.
ETI TDS Conductivity Testers
ETI TDS Conductivity Testers
Regular price £69.60
View
ETI TDS Solutions 90ml
ETI TDS Solutions 90ml
Regular price £11.40
View
GHE - Flora Kleen - NPK Technology Hydroponics
GHE - Flora Kleen
From £5
View
Growth Technology - Liquid Oxygen - NPK Technology Hydroponics
Growth Technology - Liquid Oxygen
From £3.95
View
Growth Technology - Liquid Silicon - NPK Technology Hydroponics
Growth Technology - Liquid Silicon
From £4.95
View
Growth Technology - pH Down - NPK Technology Hydroponics
Growth Technology - pH Down
From £4.95
View
Growth Technology - pH Up - NPK Technology Hydroponics
Growth Technology - pH Up
From £4.95
View
Hailea - ACO 98 Air Pumps Series - NPK Technology Hydroponics
Hailea - ACO 98 Air Pumps Series
From £49.95
View
Hailea - Air Curtains - NPK Technology Hydroponics
Hailea - Air Curtains
From £0.95
View
Hailea - Mini Air Pumps Series - NPK Technology Hydroponics
Hailea - Mini Air Pumps Series
From £9.95
View
Hailea - SS Air Pumps Series - NPK Technology Hydroponics
Hailea - SS Air Pumps Series
From £9.99
View
Hailea - Stand Up Water Pump - NPK Technology Hydroponics
Hailea - Stand Up Water Pump
From £49.95
View
Hailea - V Air Pumps Series - NPK Technology Hydroponics
Hailea - V Air Pumps Series
From £34.95
View
Hailea - Water Chillers - NPK Technology Hydroponics
Hailea - Water Chillers
From £319.99
View
Hailea - Water heaters - NPK Technology Hydroponics
Hailea - Water heaters
From £1.95
View
Hailea - Water Pump HX Series - NPK Technology Hydroponics
Hailea - Water Pump HX Series
From £9.95
View
Hailea - Water Pump HX-88 Series - NPK Technology Hydroponics
Hailea - Water Pump HX-88 Series
From £29.99
View
Hailea - Water Pump S-Series - NPK Technology Hydroponics
Hailea Water Pump S-Series
From £79.95
View
Hydrologic micRO-75™ RO Filter® - NPK Technology Hydroponics
Hydrologic micRO-75™ RO Filter®
Regular price £100
View
Hydrologic smallBoy - NPK Technology Hydroponics
Hydrologic smallBoy
Sold Out
View
← 1 2 3 4 →

NPK Gardening Solutions

  • Returns
  • Delivery Policy
  • Podcast
  • News
  • Feed Charts

Contact Info

NPK Gardening Solutions

20 Commerce Way

Liverpool

L8 7BA

0151 440 3553

npkGardeningSolutions@gmail.com

© 2026, Gardening Solutions. POS and Ecommerce by Shopify
Payment methods
  • American Express
  • Apple Pay
  • Google Pay
  • JCB
  • Mastercard
  • PayPal
  • Visa
  • choosing a selection results in a full page refresh