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Water treatment

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Waikato
Closes: Wed, 14 May
TLC Aquarium Optimizer Freshwater 946ml

$8.00 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$60.00
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International
Closes: Wed, 14 May
Diffuse Glass CO2 Drop Checker For Aquarium Fish Tank
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$18.20
$14.95
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Waikato
Closes: Wed, 14 May
AquaOne Sponge - IFXE 200 (2pk)

$10.00 shipping nationwide

Expected delivery in 5-8 business days

Buy Now
$8.00
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Auckland
Closes: Fri, 9 May
Aqua One Algae Block 20g

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$16.99
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International
Closes: Wed, 14 May
ZRDR Aquarium CO2 Bubble Counter Accessories Single Dual Head
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$19.42
$15.95
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Auckland
Closes: Fri, 9 May
Aqua One Algae Block 20g

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$12.99
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Auckland
Closes: Fri, 9 May
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
$4.90
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Auckland
Closes: Wed, 14 May
API pH Up 37mL
SALE! WAS $13.95 NOW $12.56 ENDS 8/5/25

Shipping from $6.00

Buy Now
$13.95
$12.56
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Auckland
Closes: Wed, 14 May
16 In 1 Drinking Water Test Kit Strips Home Water Quality Test Swimming P CHK29M
FREE SHIPPING TO NZ

Free shipping nationwide

Expected delivery in 14-21 business days

Options available
Buy Now
$34.99–$44.99
Canterbury
Closes: Fri, 9 May
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: Fri, 9 May
API Pond Algaefix FOR PONDS CONTAINING PLANTS & FISH 473ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$55.99
Nelson Bays
Closes: Wed, 14 May
API Accu-Clear

Shipping from $3.00

Options available
Buy Now
$7.90–$19.90
Wellington
Closes: Wed, 14 May
Python 7.5m aquarium cleaner

Shipping from $7.87

Buy Now
$40.00
Auckland
Closes: Wed, 14 May
Reef Strontium 250mL - Seachem
SALE! WAS $30.95 NOW $27.86 ENDS 8/5/25

Shipping from $6.00

Buy Now
$30.95
$27.86
Save 10%
International
Closes: Wed, 14 May
U Shape CO2 Refiner Transparent Acrylic Fish Tank Mini Diffuser Aquarium Plant
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$34.02
$27.95
Save 18%
International
Closes: Wed, 14 May
DIY Aquarium CO2 Valve Diffuser Kit With Pressure Air Flow Device
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$49.85
$40.95
Save 18%
International
Closes: Wed, 14 May
Fish Tank CO2 Diffuse Glass Drop Checker For Co2 Monitor PH Indicator
NZ Customer Support, 50000+ Positive Feedbacks

$3.99 shipping nationwide

Expected delivery in 8-15 business days

Buy Now
$19.42
$15.95
Save 18%
Auckland
Closes: Wed, 14 May
Aquatic API Pond Ecofix Sludge Destroyer (1.89L)
SALE! WAS $202.00 NOW $181.80 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$202.00
$181.80
Save 10%
Auckland
Closes: Fri, 9 May
Seachem Purigen High Capacity Filter Resin 100ml

Free shipping nationwide

Expected delivery in 3-4 business days

Buy Now
$44.99
Auckland
Closes: Wed, 14 May
Aquatic Stability (4L)
SALE! WAS $322.00 NOW $289.80 ENDS 8/5/25

Free shipping nationwide

Expected delivery in 3-5 business days

Buy Now
$322.00
$289.80
Save 10%
Auckland
Closes: Fri, 9 May
API pH Test & Adjuster Kit - Fresh Water

Shipping from $6.80

Buy Now
$37.98
Auckland
Closes: Fri, 9 May
50% OFF Clearance!! Tunze Calcium Carbonate 700ml

Shipping from $7.20

Buy Now
$12.80
Auckland
Closes: Fri, 9 May
Aqua One Water Conditioner 50ml

Shipping from $6.80

Buy Now
$4.75
Auckland
Closes: Fri, 9 May
API pH Up 118ml

Shipping from $7.20

Buy Now
$14.36
Auckland
Closes: Fri, 9 May
50% OFF Clearance!! PondCare Salt Level Test Kit

Shipping from $6.80

Buy Now
$10.95
Auckland
Closes: Fri, 9 May
JBL BioNitratEX

Shipping from $7.20

Buy Now
$69.00
Auckland
Closes: Fri, 9 May
50% OFF Clearance!! Seachem Gold Buffer 50g!!

Shipping from $6.80

Buy Now
$5.96
Auckland
Closes: Fri, 9 May
Seachem Reef Complete 250ml

Shipping from $7.20

Buy Now
$24.78
Auckland
Closes: Fri, 9 May
Aqua One Water Conditioner Health 150ml

Shipping from $6.80

Buy Now
$11.99
Auckland
Closes: Fri, 9 May
Aqua One Water Conditioner 100ml

Shipping from $6.80

Buy Now
$5.99
Auckland
Closes: Fri, 9 May
Seachem Multitest Phosphate

Shipping from $6.80

Buy Now
$43.90
Auckland
Closes: Fri, 9 May
Buy 1 get 1 free! Seachem Reef Carbonate 250ml, Only $ 9.15 each

Shipping from $7.20

Buy Now
$18.30
Auckland
Closes: Fri, 9 May
API High Range pH Test Kit (for fresh & salt water)

Shipping from $7.20

Buy Now
$24.99
Auckland
Closes: Fri, 9 May
Aqua One Water Conditioner Health 500ml

Shipping from $6.80

Buy Now
$22.99
Auckland
Closes: Fri, 9 May
API Melafix Liquid for Aquarium Fish 473ml

$7.20 shipping nationwide

Expected delivery in 5-6 business days

Buy Now
$63.97
Auckland
Closes: Fri, 9 May
API pH Down 118ml

Shipping from $7.20

Buy Now
$14.36
Auckland
Closes: Fri, 9 May
Clearance! $80.00 for TLC Aquariums for saltwater 4L
No reserve
$80.00
Buy Now
$80.00
Auckland
Closes: Fri, 9 May
Aqua One Water Conditioner Health 250ml

Shipping from $6.80

Buy Now
$15.99
Auckland
Closes: Fri, 9 May
Aqua Medic Hydrocarbonat

Shipping from $7.20

No reserve
$159.95
Buy Now
$159.95
Auckland
Closes: Fri, 9 May
API Nitrate Test Kit 90pk

Shipping from $2.00

No reserve
$37.99
Buy Now
$37.99
Auckland
Closes: Fri, 9 May
Clearance!! $20.00 TLC for Saltwater Aquariums 1L !!

Shipping from $2.00

No reserve
$20.00
Buy Now
$20.00
Auckland
Closes: Fri, 9 May
API pH Up 37ml

Shipping from $2.00

No reserve
$10.39
Buy Now
$10.39
Auckland
Closes: Fri, 9 May
API Calcium Test - Salt ^69L

Shipping from $2.00

No reserve
$41.99
Buy Now
$41.99
Auckland
Closes: Fri, 9 May
Methylene Blue - 50ml

Shipping from $2.00

No reserve
$10.95
Buy Now
$10.95
Auckland
Closes: Fri, 9 May
Clearance Sale $10.00 only for Aquavitro alpha 350ml !!

Shipping from $2.00

No reserve
$10.00
Buy Now
$10.00
Auckland
Closes: Fri, 9 May
Clearance! Red Sea Coral Colors B Potassium & Boron 500ml

Shipping from $7.20

No reserve
$28.95
Buy Now
$28.95
Auckland
Closes: Fri, 9 May
Aqua One Algae Block 40g

Shipping from $2.00

No reserve
$19.95
Buy Now
$19.95
Auckland
Closes: Fri, 9 May
Methylene Blue 1% 1L

Shipping from $7.20

No reserve
$89.95
Buy Now
$89.95
Auckland
Closes: Fri, 9 May
Flourish 100mL

Shipping from $2.00

No reserve
$17.99
Buy Now
$17.99
Auckland
Closes: Fri, 9 May
Malachite Green-200ml

Shipping from $2.00

No reserve
$26.95
Buy Now
$26.95
Auckland
Closes: Fri, 9 May
Seachem Garlic Guard 100ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$14.50
Auckland
Closes: Fri, 9 May
Seachem Reef Phytoplankton 250ml

$6.95 shipping nationwide

Expected delivery in 2-3 business days

Buy Now
$33.80
Auckland
Closes: Wed, 14 May
NEW 17.8/25CM Plastic Air Bubble Stone Aquarium Fish Tank Oxygen Diffuser

$6.58 shipping nationwide

Expected delivery in 2-3 business days

Options available
Buy Now
$4.42–$5.34
Save 8%
Auckland
Closes: Wed, 14 May
API CO2 Booster 473mL
SALE! WAS $54.95 NOW $49.46 ENDS 8/5/25

Shipping from $6.00

Buy Now
$54.95
$49.46
Save 10%
International
Closes: Wed, 14 May
Glass Spiral CO2 Diffuser Bubble Counter For Aquarium Planted Tank
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: Wed, 14 May
Aquarium API Nitra-Zorb - 1 x Large Pouch
SALE! WAS $57.95 NOW $52.16 ENDS 8/5/25

Shipping from $6.00

Buy Now
$57.95
$52.16
Save 10%
We are upgrading some of our systems
Learn more