Skip to site navigation Skip to main content
main content
  1. Home
  2. Marketplace
  3. Pets & animals
  4. Fish
  5. Water treatment

Water treatment

Search Results

Showing 1,113 results

Card display mode (optional)
Advertisement
Advertisement
Advertisement
Advertisement
Nelson Bays
Closes: Sat, 31 May
Seachem Alkaline Regulator

Shipping from $3.00

Options available
Buy Now
$10.90–$35.90
Loading Image 1 of 1
Image 1 of 1
Auckland
Closes: 3 hrs 47 mins
PH Meter PH Tester i1959YL0
NZ stock ready for immediate dispatch!

$5.55 shipping nationwide

Expected delivery in 1-2 business days

Buy Now
$10.99
Loading Image 1 of 15
Image 1 of 15
Loading Image 2 of 15
Loading Image 15 of 15
Auckland
Closes: Sat, 31 May
Alert - Combo Pack - Aquatic Testing
Brand new from Smartfox - Auckland

Shipping from $6.00

Buy Now
$40.95
Loading Image 1 of 1
Image 1 of 1
Auckland
Closes: 3 hrs 23 mins
Aqua One Ammonia Remover / Chlorine Neutraliser 2L

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$57.99
Loading Image 1 of 1
Image 1 of 1
Auckland
Closes: 2 hrs 59 mins
PH Tester Water Quality Monitor Meter i2695DB0
NZ stock ready for immediate dispatch!

$5.55 shipping nationwide

Expected delivery in 1-2 business days

Buy Now
$34.99
Loading Image 1 of 15
Image 1 of 15
Loading Image 2 of 15
Loading Image 15 of 15
Nelson Bays
Closes: Sat, 31 May
Seachem Flourish

Shipping from $3.00

Options available
Buy Now
$19.90–$29.90
Loading Image 1 of 1
Image 1 of 1
Nelson Bays
Closes: Sat, 31 May
Seachem PhosNet

Shipping from $3.00

Options available
Buy Now
$47.90–$66.90
Loading Image 1 of 1
Image 1 of 1
Nelson Bays
Closes: Sat, 31 May
Seachem PhosBond

Shipping from $3.00

Options available
Buy Now
$23.90–$84.90
Loading Image 1 of 2
Image 1 of 2
Loading Image 2 of 2
Nelson Bays
Closes: Sat, 31 May
Brightwell Aquatics Replenish Liquid Trace Elements

Shipping from $3.00

Options available
Buy Now
$54.90–$159.90
Nelson Bays
Closes: Sat, 31 May
API Ammo Lock

Shipping from $8.50

Options available
Buy Now
$14.90–$34.90
International
Closes: Sat, 31 May
Super CO2 Atomizer Carbon Dioxide Bubble Diffuser For Aquarium Grass Plant Tank
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Options available
Buy Now
$29.95
Save 18%
Waikato
Closes: Sat, 31 May
Pristine 100mL

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$20.00
Waikato
Closes: Sat, 31 May
Tonic 50mL

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$17.00
Waikato
Closes: Sat, 31 May
Stability 50mL

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$13.00
Waikato
Closes: Sat, 31 May
Prime 50ml

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$14.00
Canterbury
Closes: 1 hr 16 mins
PH Meter Test Pen Digital Electric Portable Water Hydroponics Aquarium Tester

Shipping from $1.69

No reserve
$9.85
Buy Now
$9.85
Auckland
Closes: Sat, 31 May
API Tap Water Conditioner

Shipping from $7.50

No reserve
$1.00
Buy Now
$7.44
Auckland
Closes: Sat, 31 May
API Ammonia Test

Shipping from $5.95

No reserve
$49.67
Buy Now
$49.67
Waikato
Closes: Sat, 31 May
Aqua One QuickDrop Test Kit - PH 6-7.8

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$26.00
Waikato
Closes: Sat, 31 May
Aqua One - Ammonia Remover Chlorine Neutraliser 150ml Treatment

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$16.00
Waikato
Closes: Sat, 31 May
Aqua One Water Conditioner Health + 150ml

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$11.00
Nelson Bays
Closes: Sat, 31 May
Seachem Acid Regulator

Shipping from $3.00

Options available
Buy Now
$10.90–$18.90
Nelson Bays
Closes: Sat, 31 May
RowaKalk - Kalkwasser Powder

Shipping from $3.00

Buy Now
$46.90
Nelson Bays
Closes: Sat, 31 May
Seachem Reef Advantage Magnesium

Shipping from $8.50

Options available
Buy Now
$19.90–$33.90
Nelson Bays
Closes: Sat, 31 May
Seachem Reef Dip

Shipping from $3.00

Options available
Buy Now
$37.90–$57.90
Auckland
Closes: Wed, 28 May
Seachem Prime Fish Water Conditioner 250ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$35.99
Nelson Bays
Closes: Sat, 31 May
Seachem Reef Iodide

Shipping from $8.50

Options available
Buy Now
$19.90–$29.90
Nelson Bays
Closes: Sat, 31 May
Seachem Alkaline Buffer

Shipping from $3.00

Options available
Buy Now
$10.90–$19.90
Nelson Bays
Closes: Sat, 31 May
Seachem Reef Buffer

Shipping from $8.50

Buy Now
$29.90
Nelson Bays
Closes: Sat, 31 May
Flourish Advance

Shipping from $3.00

Buy Now
$39.90
Nelson Bays
Closes: Sat, 31 May
PO4X4 Phosphate Remover

Shipping from $8.50

Options available
Buy Now
$49.90–$93.90
Nelson Bays
Closes: Sat, 31 May
Blue Life USA Organic Fx Media 100% Organic Regenerable Resin

Shipping from $3.00

Options available
Buy Now
$54.90–$108.90
Auckland
Closes: Wed, 28 May
API AlgaeFix Fish Algae Control 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$25.99
Canterbury
Closes: Thu, 29 May
API Pond Algaefix 237ml - Pond Algae Control

Shipping from $9.00

No reserve
$29.90
Buy Now
$29.90
Auckland
Closes: Sat, 31 May
API Accu-Clear 37mL
Brand new from Smartfox - Auckland

Shipping from $6.00

Buy Now
$11.95
Auckland
Closes: Sat, 31 May
pH Adjusters Aquarium - Proper pH 8.2 - 250g
Brand new from Smartfox - Auckland

Shipping from $6.00

Buy Now
$38.95
Nelson Bays
Closes: Wed, 28 May
Seachem Prime 500ml

Shipping from $3.00

No reserve
$49.90
Buy Now
$49.90
International
Closes: Sat, 31 May
Ph Test Strips Alkaline Acid Indicator Meter Test Paper Roll For Water
Trust Seller, Innovation, We Never Stop

$6.89 shipping nationwide

Expected delivery in 12-19 business days

Buy Now
$23.00
Nelson Bays
Closes: Wed, 28 May
Aquarium Pharmaceuticals Stress Coat 1.89 litre

Shipping from $3.00

No reserve
$109.90
Buy Now
$109.90
Nelson Bays
Closes: Sat, 31 May
TLF Phosban GFO Phosphate Removal Media

Shipping from $3.00

Buy Now
$102.90
Nelson Bays
Closes: Wed, 28 May
API Nitra-Zorb Pouch Size 6

Shipping from $3.00

Buy Now
$44.90
Nelson Bays
Closes: Wed, 28 May
API Phos-Zorb Pouch Size 6

Shipping from $3.00

Buy Now
$32.90
Nelson Bays
Closes: Wed, 28 May
Two Little Fishies ReMag Magnesium Media 1kg

Shipping from $3.00

Buy Now
$39.90
Nelson Bays
Closes: Sat, 31 May
Seachem Flourish Trace

Shipping from $3.00

Options available
Buy Now
$19.90–$29.90
Nelson Bays
Closes: Sat, 31 May
API AlgaeFix

Shipping from $3.00

Options available
Buy Now
$8.90–$46.90
Nelson Bays
Closes: Wed, 28 May
API Proper pH 7.0 250g

Shipping from $8.50

Buy Now
$32.90
Nelson Bays
Closes: Sat, 31 May
Blue Life USA Softener Fx Media - 100% Freshwater Softening

Shipping from $3.00

Buy Now
$42.90
Nelson Bays
Closes: Wed, 28 May
Red Sea KH Coralline Gro 500ml

Shipping from $3.00

No reserve
$27.90
Buy Now
$27.90
Nelson Bays
Closes: Wed, 28 May
Brightwell Aquatics Reef BioFuel 500ml

Shipping from $3.00

Buy Now
$39.90
Nelson Bays
Closes: Wed, 28 May
Two Little Fishies ReMag Magnesium Media 4kg

Shipping from $3.00

Buy Now
$129.90
Auckland
Closes: Sat, 31 May
API Root Tabs - 10 tab
Brand new from Smartfox - Auckland

Shipping from $6.00

Buy Now
$35.95
Auckland
Closes: Wed, 28 May
API Freshwater Master Test Kit Over 800 Tests

$10.95 shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$99.99
Auckland
Closes: Sat, 31 May
Amguard 250mL - Seachem
Brand new from Smartfox - Auckland

Shipping from $6.00

Buy Now
$36.95
Auckland
Closes: Sat, 31 May
Aquarium Seachem CupriSorb™ 100ml
Brand new from Smartfox - Auckland

Shipping from $6.00

Buy Now
$41.95
Auckland
Closes: Sat, 31 May
Fish Food San Francisco Bay Brine Shrimp Hatchery
Brand new from Smartfox - Auckland

Shipping from $6.00

Buy Now
$86.95
Auckland
Closes: Sat, 31 May
Aquarium & Pond Salt (22kg)
Brand new from Smartfox - Auckland

Shipping from $15.00

Buy Now
$135.00
We are upgrading some of our systems
Learn more