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Water treatment

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Auckland
Closes: Wed, 30 Apr
Hanna electronic water quality testers
No reserve
$100.00
Buy Now
$200.00
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Wellington
Closes: Sun, 27 Apr
Filter media for all canister filters

Shipping from $7.00

Buy Now
$39.00
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Manawatu
Closes: Wed, 30 Apr
Crushed Glass for Water Filter 5kg

Shipping from $16.30

Buy Now
$15.00
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Waikato
Closes: Tue, 29 Apr
UV System - 165W - Commercial System
Pump & Purify. No Fake RRP or Deceptive Discounts!

Shipping from $30.00

Buy Now
$1,275
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Auckland
Closes: Tue, 29 Apr
Bottle Chlorine Test Drops, for testing of clear liquids.

$12.00 shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$24.99
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Auckland
Closes: Tue, 29 Apr
Dual Test Pack Bottle pH & Chlorine Testing drops for clear liquids.

$12.00 shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$39.99
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Auckland
Closes: Tue, 29 Apr
Bottle pH Test Drops, pH reagent for testing pH of clear liquids.

$12.00 shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$16.99
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Other
Closes: Sun, 27 Apr
Fish tank water purification agent for ornamental fish 260ML

Free shipping

Buy Now
$28.61
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International
Closes: Sat, 3 May
Aquarium CO2 Atomizer Fish Tank Control Water Atomizer Reactor Solenoid
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Options available
Buy Now
$11.95–$17.95
Save 18%
International
Closes: Sat, 3 May
Diffuse Glass CO2 Drop Checker Aquarium Hang On CO2 Monitor Sensor Detector
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Options available
Buy Now
$12.95–$13.95
Save 18%
Auckland
Closes: Mon, 28 Apr
API Stress Coat Water Conditioner 237ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$22.99
Auckland
Closes: Mon, 28 Apr
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
$35.99
Nelson Bays
Closes: Sat, 3 May
Seachem PhosNet

Shipping from $3.00

Options available
Buy Now
$47.90–$66.90
Nelson Bays
Closes: Sat, 3 May
Seachem Flourish

Shipping from $3.00

Options available
Buy Now
$19.90–$29.90
Nelson Bays
Closes: Sat, 3 May
Seachem PhosBond

Shipping from $3.00

Options available
Buy Now
$23.90–$84.90
Nelson Bays
Closes: Sat, 3 May
Brightwell Aquatics Replenish Liquid Trace Elements

Shipping from $3.00

Options available
Buy Now
$54.90–$159.90
Nelson Bays
Closes: Sat, 3 May
API Ammo Lock

Shipping from $8.50

Options available
Buy Now
$14.90–$34.90
Auckland
Closes: Mon, 28 Apr
Aqua One Ammonia Remover / Chlorine Neutraliser 2L

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$57.99
International
Closes: Sat, 3 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
$27.95
Save 18%
Waikato
Closes: Sat, 3 May
White Spot Cure 50mL

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$16.00
Waikato
Closes: Sat, 3 May
Pristine 100mL

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$20.00
Waikato
Closes: Sat, 3 May
Tonic 50mL

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$17.00
Waikato
Closes: Sat, 3 May
Stability 50mL

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$13.00
Waikato
Closes: Sat, 3 May
Prime 50ml

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$14.00
Auckland
Closes: Mon, 28 Apr
TDS Tester EC Tester 3623702
3 In 1 TDS EC PPM Water Quality Meter

$5.05 shipping nationwide

Expected delivery in 1-2 business days

Buy Now
$5.90
Canterbury
Closes: Thu, 1 May
API Pond Algaefix 237ml - Pond Algae Control

Shipping from $9.00

No reserve
$29.90
Buy Now
$29.90
Waikato
Closes: Sat, 3 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, 3 May
Aqua One Water Conditioner Health + 150ml

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$11.00
Waikato
Closes: Sat, 3 May
Aqua One - Ammonia Remover Chlorine Neutraliser 150ml Treatment

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$16.00
Nelson Bays
Closes: Sat, 3 May
Seachem Acid Regulator

Shipping from $3.00

Options available
Buy Now
$10.90–$18.90
Nelson Bays
Closes: Sat, 3 May
Seachem Reef Dip

Shipping from $3.00

Options available
Buy Now
$37.90–$57.90
Nelson Bays
Closes: Sat, 3 May
Seachem Reef Advantage Magnesium

Shipping from $8.50

Options available
Buy Now
$19.90–$33.90
Nelson Bays
Closes: Sat, 3 May
RowaKalk - Kalkwasser Powder

Shipping from $3.00

Buy Now
$46.90
Auckland
Closes: Mon, 28 Apr
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, 3 May
Seachem Alkaline Buffer

Shipping from $3.00

Options available
Buy Now
$10.90–$19.90
Nelson Bays
Closes: Sat, 3 May
Seachem Reef Buffer

Shipping from $8.50

Buy Now
$29.90
Nelson Bays
Closes: Sat, 3 May
Flourish Advance

Shipping from $3.00

Buy Now
$39.90
Nelson Bays
Closes: Sat, 3 May
Seachem Reef Iodide

Shipping from $8.50

Options available
Buy Now
$19.90–$29.90
Nelson Bays
Closes: Sat, 3 May
Brightwell Aquatics Alkalin8.3 Liquid pH Buffer & Alkalinity (KH) Builder

Shipping from $3.00

Buy Now
$15.90
Nelson Bays
Closes: Sat, 3 May
PO4X4 Phosphate Remover

Shipping from $8.50

Options available
Buy Now
$49.90–$93.90
Nelson Bays
Closes: Sat, 3 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: Sat, 3 May
API Accu-Clear 37mL
SALE! WAS $11.95 NOW $10.76 ENDS 8/5/25

Shipping from $6.00

Buy Now
$11.95
$10.76
Save 10%
International
Closes: Sat, 3 May
Aquarium 4mm * 6mm Tracheal CO2 Dedicated Tube High Pressure Resistant
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Options available
Buy Now
$14.95–$25.96
Save 18%
Auckland
Closes: Sat, 3 May
pH Adjusters Aquarium - Proper pH 8.2 - 250g
SALE! WAS $38.95 NOW $35.06 ENDS 8/5/25

Shipping from $6.00

Buy Now
$38.95
$35.06
Save 10%
Auckland
Closes: Mon, 28 Apr
API AlgaeFix Fish Algae Control 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$25.99
International
Closes: Sat, 3 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
Auckland
Closes: Sat, 3 May
pH Adjusters Aquarium - Proper pH 7.0 - 250g
SALE! WAS $38.95 NOW $35.06 ENDS 8/5/25

Shipping from $6.00

Buy Now
$38.95
$35.06
Save 10%
Auckland
Closes: Sat, 3 May
PH Test Strips

$6.81 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$4.06
Auckland
Closes: Sat, 3 May
API Root Tabs - 10 tab
SALE! WAS $35.95 NOW $32.36 ENDS 8/5/25

Shipping from $6.00

Buy Now
$35.95
$32.36
Save 10%
Auckland
Closes: Sat, 3 May
Amguard 250mL - Seachem
SALE! WAS $36.95 NOW $33.26 ENDS 8/5/25

Shipping from $6.00

Buy Now
$36.95
$33.26
Save 10%
Nelson Bays
Closes: Mon, 28 Apr
API Nitra-Zorb Pouch Size 6

Shipping from $3.00

Buy Now
$44.90
Nelson Bays
Closes: Sat, 3 May
Blue Life USA Softener Fx Media - 100% Freshwater Softening

Shipping from $3.00

Buy Now
$42.90
Nelson Bays
Closes: Mon, 28 Apr
Brightwell Aquatics Reef BioFuel 500ml

Shipping from $3.00

Buy Now
$39.90
Nelson Bays
Closes: Mon, 28 Apr
API Proper pH 7.0 250g

Shipping from $8.50

Buy Now
$32.90
Nelson Bays
Closes: Sat, 3 May
TLF Phosban GFO Phosphate Removal Media

Shipping from $3.00

Buy Now
$102.90
Nelson Bays
Closes: Sat, 3 May
Seachem Flourish Trace

Shipping from $3.00

Options available
Buy Now
$19.90–$29.90
We are upgrading some of our systems
Learn more