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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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Other
Closes: Sat, 3 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: 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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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
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Auckland
Closes: Sat, 3 May
API Stress Coat Water Conditioner 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$13.99
International
Closes: Thu, 8 May
U Shape CO2 Refiner Transparent Acrylic Fish Tank CO2 Refiner With Suction Cup
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$30.38
$24.96
Save 18%
International
Closes: Thu, 8 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
Save 18%
Auckland
Closes: Thu, 8 May
PH 1-14 Test Paper Litmus Strips Tester - 3 Packs (240pcs)

$6.81 shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$2.19
Auckland
Closes: Thu, 8 May
PhosNet 125g - Seachem
SALE! WAS $69.95 NOW $62.96 ENDS 8/5/25

Shipping from $6.00

Buy Now
$69.95
$62.96
Save 10%
Auckland
Closes: Sat, 3 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, 3 May
API Fish Stress Zyme 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$19.99
Auckland
Closes: Sat, 3 May
API Aquariums High Range PH Test Kit - For Fresh & Salt Water

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$26.99
Auckland
Closes: Sat, 3 May
Seachem Stability Fish Beneficial Bacteria 250ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$32.99
International
Closes: Thu, 8 May
Fish Tank CO2 Diffuse Glass Drop Checker For CO2 Monitor
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$20.63
$16.95
Save 18%
Auckland
Closes: Thu, 8 May
Reef Complete 500mL - Seachem
SALE! WAS $47.95 NOW $43.16 ENDS 8/5/25

Shipping from $6.00

Buy Now
$47.95
$43.16
Save 10%
Nelson Bays
Closes: Sat, 3 May
Salifert Magnesium Test Kit

Shipping from $3.00

No reserve
$32.90
Buy Now
$32.90
Auckland
Closes: Sat, 3 May
API pH Test - Freshwater

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$24.99
Auckland
Closes: Sat, 3 May
API Phosphate Test - Fresh & Salt Water 150 Tests

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$48.99
Auckland
Closes: Sat, 3 May
API Tap Water Conditioner 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$14.99
Auckland
Closes: Sat, 3 May
API Ammo Lock To Protect Fish Cells From Ammonia 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$19.99
Auckland
Closes: Sat, 3 May
API Accu Clear 37ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$11.99
Auckland
Closes: Sat, 3 May
Seachem Reef Phytoplankton 500ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$61.80
Auckland
Closes: Sat, 3 May
Seachem Reef Fusion 2 - 500ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$35.99
Auckland
Closes: Sat, 3 May
API Aquarium Stress Zyme 118ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$19.99
Auckland
Closes: Sat, 3 May
Seachem Reef Strontium 250ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$30.99
Auckland
Closes: Sat, 3 May
Seachem Neutral Regulator 50gm Adjusts PH to 7

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$14.99
Auckland
Closes: Sat, 3 May
Seachem Reef Fusion 1 - 500ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$35.99
Auckland
Closes: Thu, 8 May
Cylinder Aquarium Bubble Air Stone Fish Tank Aeration Aerator Diffuser

$6.99 shipping nationwide

Expected delivery in 1-2 business days

Buy Now
$6.90
Auckland
Closes: Thu, 8 May
Alert - pH - Aquatic Testing
SALE! WAS $30.95 NOW $27.86 ENDS 8/5/25

Shipping from $6.00

Buy Now
$30.95
$27.86
Save 10%
Canterbury
Closes: Thu, 8 May
Indian Almond Leaf 10 Pack

$6.90 shipping nationwide

Expected delivery in 4-5 business days

Buy Now
$14.99
Auckland
Closes: Thu, 8 May
Seachem - Pristine 100mL
SALE! WAS $20.95 NOW $18.86 ENDS 8/5/25

Shipping from $6.00

Buy Now
$20.95
$18.86
Save 10%
Auckland
Closes: Thu, 8 May
Aquarium Thermometer Meters LCD Digital Measurement Fish Tank Reptile

$5.98 shipping nationwide

Expected delivery in 2-3 business days

Options available
Buy Now
$9.02
Save 8%
Canterbury
Closes: Thu, 8 May
Boyd ChemiClean Red Slime/Cynobacteria Remover 2g

Shipping from $4.90

Buy Now
$45.90
Canterbury
Closes: Thu, 8 May
Red Sea Reef-Spec Carbon 1,000ml

Shipping from $14.90

Buy Now
$39.90
Canterbury
Closes: Thu, 8 May
Reef Kalkwasser Seachem 1 kg

Shipping from $9.90

Buy Now
$99.90
Other
Closes: Thu, 8 May
Granular Activated Carbon Tub Gac Coconut

$45.94 shipping nationwide

Expected delivery in 9-16 business days

Options available
Buy Now
$78.88–$157.83
Auckland
Closes: Thu, 8 May
Nitrate Test - Fresh/Salt - API
SALE! WAS $44.95 NOW $35.96 ENDS 8/5/25

Shipping from $6.00

Buy Now
$44.95
$35.96
Save 20%
Auckland
Closes: Sat, 3 May
Aqua One Water Conditioner 100ml

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$11.50
Auckland
Closes: Sat, 3 May
Seachem Alert - Combo Pack

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$38.99
Auckland
Closes: Thu, 8 May
Aquatic - Brackish Salt 300g
SALE! WAS $19.95 NOW $17.96 ENDS 8/5/25

Shipping from $6.00

Buy Now
$19.95
$17.96
Save 10%
Auckland
Closes: Thu, 8 May
API Tap Water Conditioner

Shipping from $8.00

Options available
Buy Now
$5.49–$21.99
Auckland
Closes: Thu, 8 May
Oxy Shells (Oxygen Shell) Aquarium - Bulk 50
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: Thu, 8 May
PH Meter Digital PH Tester Water Quality Testers Acidity Measure Device W CHK29M
FREE SHIPPING TO NZ

Free shipping nationwide

Expected delivery in 14-21 business days

Options available
Buy Now
$21.99
Waikato
Closes: Thu, 8 May
3 x AF test kits (Ca KH Mg) used twice only

Shipping from $4.61

Buy Now
$45.00
Waikato
Closes: Thu, 8 May
Polyplab Medic

Shipping from $4.61

Reserve not met
$20.00
Buy Now
$80.00
Waikato
Closes: Thu, 8 May
Aquaone Protein skimmer
Buy Now
$80.00
Auckland
Closes: Sat, 3 May
Seachem Pristine 100ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$18.99
Auckland
Closes: Sat, 3 May
Seachem Phosguard Silicate Phosphate Remover 250ml

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$33.99
International
Closes: Thu, 8 May
Fish Tank CO2 Diffuse Glass Drop Checker For Co2 Monitor Glass Drop Checker PH
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Options available
Buy Now
$13.95–$15.95
Save 18%
Auckland
Closes: Thu, 8 May
Aquatic De*nitrate (4L)
SALE! WAS $149.00 NOW $134.10 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$149.00
$134.10
Save 10%
Auckland
Closes: Sat, 3 May
API Quick Start Conditions 237ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$42.99
Auckland
Closes: Sat, 3 May
Aqua One Fish AAA+ Conditioning Block 20g

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$12.99
Auckland
Closes: Sat, 3 May
API Fish Antibacterial Medication Melafix 237ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$36.99
Auckland
Closes: Sat, 3 May
Aqua One Test Kit 5in1 Freshwater For PH NH4 NO2 NO3 KH

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$79.99
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