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Water treatment

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Auckland
Closes: Tue, 6 May
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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Canterbury
Closes: Tue, 6 May
API Pond Algaefix 237ml - Pond Algae Control

Shipping from $9.00

No reserve
$29.90
Buy Now
$29.90
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Auckland
Closes: Tue, 6 May
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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Auckland
Closes: Tue, 6 May
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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Other
Closes: Sat, 10 May
PRO5-DJ Aquarium Reverse Osmosis Membrane Filter Purifier RO DI Water Filters

Free shipping

Buy Now
$441.77
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Auckland
Closes: Sun, 11 May
Aquis 1200 Canister Filter
Reserve met
$50.00
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Wellington
Closes: Sun, 4 May
Filter media for all canister filters

Shipping from $7.00

Buy Now
$39.00
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Manawatu
Closes: Wed, 7 May
Crushed Glass for Water Filter 5kg

Shipping from $16.30

Buy Now
$15.00
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Other
Closes: Wed, 7 May
Fish tank water purification agent for ornamental fish 260ML

Free shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$28.61
Auckland
Closes: Sun, 11 May
Aquatic Conditioner Amguard 4L
SALE! WAS $377.00 NOW $339.30 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$377.00
$339.30
Save 10%
Auckland
Closes: Sun, 11 May
Aquatic API Bio-Chem Zorb (Bulk 18pc)
SALE! WAS $660.00 NOW $561.00 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$660.00
$561.00
Save 15%
Auckland
Closes: Sun, 11 May
Seachem - Neutral Regulator 50g
SALE! WAS $15.95 NOW $14.36 ENDS 8/5/25

Shipping from $6.00

Buy Now
$15.95
$14.36
Save 10%
Auckland
Closes: Sat, 10 May
Reef Buffer 250g - Seachem
SALE! WAS $31.95 NOW $28.76 ENDS 8/5/25

Shipping from $6.00

Buy Now
$31.95
$28.76
Save 10%
International
Closes: Sat, 10 May
CO2 Diffuser For Aquarium Bubble Generator Twinstar Style Atomizer Acrylic
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Options available
Buy Now
$19.95–$23.95
Save 18%
Auckland
Closes: Sat, 10 May
Reef Advantage Calcium 1kg - Seachem
SALE! WAS $112.00 NOW $100.80 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$112.00
$100.80
Save 10%
Auckland
Closes: Sat, 10 May
Aquarium Water Test Strips - 5 in 1 (25 tests)
SALE! WAS $56.95 NOW $51.26 ENDS 8/5/25

Shipping from $6.00

Buy Now
$56.95
$51.26
Save 10%
Auckland
Closes: Mon, 5 May
API Tap Water Conditioner 30ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$6.99
International
Closes: Sat, 10 May
Fish Tank Transparent Acrylic CO2 Refiner With Suction Cup Mini Diffuser
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$27.95
$22.95
Save 18%
Auckland
Closes: Mon, 5 May
API Stress Coat Water Conditioner 473ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$33.99
Auckland
Closes: Sat, 10 May
Needle syringe to treat BB blackbeard with excel or hydrogen peroxide medical

$4.95 shipping nationwide

Expected delivery in 1-2 business days

Buy Now
$2.00
Auckland
Closes: Sat, 10 May
API Replacement Test Tube
SALE! WAS $4.95 NOW $4.46 ENDS 8/5/25

Shipping from $6.00

Buy Now
$4.95
$4.46
Save 10%
Nelson Bays
Closes: Sat, 10 May
Seachem Neutral Regulator

Shipping from $8.50

Buy Now
$66.90
Auckland
Closes: Sat, 10 May
Aquarium CO2 Regulator

Shipping from $6.99

Buy Now
$54.99
Auckland
Closes: Sat, 10 May
Aquatic Reef Reactor - Medium (4L)
SALE! WAS $126.00 NOW $113.40 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$126.00
$113.40
Save 10%
Auckland
Closes: Mon, 5 May
Seachem Flourish Excel 500ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$41.99
Auckland
Closes: Sat, 10 May
Aquarium Filter Seachem Purigen 500ml
SALE! WAS $118.00 NOW $106.20 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$118.00
$106.20
Save 10%
Auckland
Closes: Sat, 10 May
Aquatic Stability (2L)
SALE! WAS $200.00 NOW $180.00 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$200.00
$180.00
Save 10%
Auckland
Closes: Sat, 10 May
Aquatic Clarifies Clarity 250mL
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, 10 May
Aquatic Filter Eheim BioMech 1L
SALE! WAS $71.95 NOW $64.76 ENDS 8/5/25

Shipping from $6.00

Buy Now
$71.95
$64.76
Save 10%
Auckland
Closes: Mon, 5 May
Buy 1 get 3 free! Cool Rare Touch Fish Tank Thermometer Latest 2025 design GIFT

$6.80 shipping nationwide

Expected delivery in 1-2 business days

Buy Now
$19.00
Auckland
Closes: Mon, 5 May
API Eco Calcium Marine 473mL

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$29.99
Auckland
Closes: Sat, 10 May
API Goldfish Protect 118ml
SALE! WAS $14.95 NOW $13.46 ENDS 8/5/25

Shipping from $6.00

Buy Now
$14.95
$13.46
Save 10%
Auckland
Closes: Sat, 10 May
Aquatic pH Adjuster - Acid Regulator 250g
SALE! WAS $29.95 NOW $26.96 ENDS 8/5/25

Shipping from $6.00

Buy Now
$29.95
$26.96
Save 10%
Auckland
Closes: Sat, 10 May
Aquatic Clarifier - API Pond Accu Clear (1.89L)
Brand new from Smartfox - Auckland

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$166.00
International
Closes: Sat, 10 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
$11.95–$14.95
Save 18%
Auckland
Closes: Sat, 10 May
pH Adjusters Alkaline Buffer 300g
SALE! WAS $29.95 NOW $26.96 ENDS 8/5/25

Shipping from $6.00

Buy Now
$29.95
$26.96
Save 10%
Auckland
Closes: Mon, 5 May
Aqua One Water Conditioner Health + 150ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$11.50
Auckland
Closes: Mon, 5 May
API AlgaeFix Fish Algae Control 237ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$42.99
Auckland
Closes: Sat, 10 May
PhosNet 50g (Bagged) - Seachem
SALE! WAS $43.95 NOW $39.56 ENDS 8/5/25

Shipping from $6.00

Buy Now
$43.95
$39.56
Save 10%
Auckland
Closes: Mon, 5 May
API Stress Coat Water Conditioner 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$13.99
Auckland
Closes: Sat, 10 May
5-in-1 Aquarium Cleaning Tools - Complete Set for Fish Tank Maintenance and Alga

$7.99 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$6.99
$6.43
Save 8%
Auckland
Closes: Mon, 5 May
AQUA ONE FISH WATER CONDITIONER HEALTH + 250ML

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$14.99
Auckland
Closes: Mon, 5 May
6pcs 10x10x5cm Honeycomb Activated Carbon Cube Fish Tank Filter - Purify water

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$19.00
Auckland
Closes: Sat, 10 May
Sunsun Aquarium Surface Protein Skimmer 5W JY03 Aquarium Oil Film Processor J...

Free shipping nationwide

Expected delivery in 7-8 business days

Buy Now
$93.46
Auckland
Closes: Sat, 10 May
API Stress Coat 237mL
SALE! WAS $23.95 NOW $21.56 ENDS 8/5/25

Shipping from $6.00

Buy Now
$23.95
$21.56
Save 10%
Auckland
Closes: Mon, 5 May
Seachem Stability Fish Beneficial Bacteria 500ml

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$65.99
Auckland
Closes: Mon, 5 May
Wunder Algae Remover 1L

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$37.99
International
Closes: Sat, 10 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
$15.95–$27.95
Save 18%
Auckland
Closes: Sat, 10 May
API Freshwater Master Test Kit

Shipping from $7.87

No reserve
$80.00
Buy Now
$80.00
Auckland
Closes: Sat, 10 May
Stress Coat 1.89 litres

Shipping from $7.87

No reserve
$75.00
Buy Now
$75.00
Waikato
Closes: Sat, 10 May
Activated Carbon Pellets 500g

$8.00 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$8.00
Auckland
Closes: Sat, 10 May
API Freshwater Master Test Kit

Free shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$89.99
Auckland
Closes: Sat, 10 May
API Ammonia Fresh & Salt Water Test Kit

Free shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$42.99
Auckland
Closes: Sat, 10 May
API Pimafix 237ml

$5.90 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$36.99
Nelson Bays
Closes: Sat, 10 May
Seachem Matrix Carbon

Shipping from $8.50

Options available
Buy Now
$19.90–$69.90
Other
Closes: Sat, 10 May
PRO4-DJ Aquarium Reverse Osmosis Membrane Filter Purifier RO DI Water Filters

Free shipping

Buy Now
$298.43
Auckland
Closes: Sat, 10 May
Aquarium - Hailea Magnet Cleaner - Medium
SALE! WAS $17.95 NOW $16.16 ENDS 8/5/25

Shipping from $6.00

Buy Now
$17.95
$16.16
Save 10%
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