Skip to main content
G'day
!
G'day!
Sign in
or
register
eBay Deals
Find a Store
Help
Sell
Watch List
Expand watch list
My eBay
Expand My eBay
My eBay Summary
Recently Viewed
Bids/Offers
Watch List
Purchase History
Selling/Sold
Saved Feed
Saved Searches
Saved Sellers
My Garage
Sizes
My Messages
Get Exclusive Savings
Expand notifications
Please
sign in
to view notifications.
Expand cart
Loading...
eBay Home
Shop by category
All Categories
Search
Advanced
Best selling products: Best
Alkalinity/KH Marine Aquarium Water Tests & Treatment
1
Rank 1
API Master Freshwater Aquarium Test Kit
(361)
AU $67.00 New
AU $67.00 New
---- Used
No used products available
2
Rank 2
Seachem SC43809 Water Conditioner
(20)
AU $92.32 New
AU $92.32 New
---- Used
No used products available
3
Rank 3
Seachem Prime Concentrated Water Conditioner - 1L
(36)
AU $50.22 New
AU $50.22 New
---- Used
No used products available
4
Rank 4
Aqua 92061 One Freshwater Test Kit
(33)
AU $43.95 New
AU $43.95 New
---- Used
No used products available
5
Rank 5
API GH General & KH Carbonate Hardness Test Kit - Freshwater
(34)
AU $32.00 New
AU $32.00 New
---- Used
No used products available
6
Rank 6
API Melafix Water Conditioner - 473ml
(28)
AU $27.99 New
AU $27.99 New
---- Used
No used products available
7
Rank 7
API 577C Plant Fertilizer - 10 Pack
(9)
AU $20.80 New
AU $20.80 New
---- Used
No used products available
8
Rank 8
API AAP169D-38_4800 Algae Control Solution - 64Oz.
(39)
AU $94.50 New
AU $94.50 New
---- Used
No used products available
9
Rank 9
Aquarium Aquatic Fish Tank Bio API Stress Zyme 473ml
(34)
AU $31.99 New
AU $31.99 New
---- Used
No used products available
10
Rank 10
API Aquaponic Liquid Test Tube -24 Piece
(10)
AU $14.90 New
AU $14.90 New
---- Used
No used products available
11
Rank 11
Seachem Neutral Regulator 7.0 pH- 1 kg
(5)
AU $56.99 New
AU $56.99 New
---- Used
No used products available
12
Rank 12
API Algaefix Algae Control Solution - 473ml
(23)
AU $39.00 New
AU $39.00 New
---- Used
No used products available
13
Rank 13
Seachem Flourish Excel Plant Fertiliser - 2L
(11)
AU $67.07 New
AU $67.07 New
---- Used
No used products available
14
Rank 14
API Pimafix Anti Fugal Remedy - 473ml
(9)
AU $31.50 New
AU $31.50 New
---- Used
No used products available
15
Rank 15
Seachem Purigen 100ml Aquarium Filter Media
(49)
AU $24.99 New
AU $24.99 New
---- Used
No used products available
16
Rank 16
API Stress Coat+ Water Conditioner - 946ml
(20)
AU $53.50 New
AU $53.50 New
---- Used
No used products available
17
Rank 17
Splosht Natural Water Cleaner - Fishpond/Water
(135)
AU $26.00 New
AU $26.00 New
---- Used
No used products available
18
Rank 18
Red Sea R11055 Salt - 7kg
(4)
AU $79.00 New
AU $79.00 New
---- Used
No used products available
19
Rank 19
Seachem Safe Concentrated Dry Water Conditioner - 1Kg
(12)
AU $47.95 New
AU $47.95 New
---- Used
No used products available
20
Rank 20
API Quick Start 473mL Bacteria for Instant Addition of Fish in Tank Aquarium
(6)
AU $41.98 New
AU $41.98 New
---- Used
No used products available
21
Rank 21
Seachem Stability Tank Stabilization System - 2 L
(11)
AU $109.99 New
AU $109.99 New
---- Used
No used products available
22
Rank 22
API APH196 Water Additive - 237ml
(10)
AU $24.50 New
AU $24.50 New
---- Used
No used products available
23
Rank 23
Aqua One Quick Drop pH Test Kit - 92000
(61)
AU $21.50 New
AU $21.50 New
---- Used
No used products available
24
Rank 24
PondCare Algaefix Pond Algae Killer - 1.89L
(12)
AU $94.45 New
AU $94.45 New
---- Used
No used products available
25
Rank 25
Red Sea Aiptasia-X Treatment - 60ml
(13)
AU $39.00 New
AU $39.00 New
---- Used
No used products available
26
Rank 26
Splosht Indoor Aquarium 1 X 7.5g Water Algae Cleaner
(21)
AU $24.50 New
AU $24.50 New
---- Used
No used products available
27
Rank 27
Aqua One Health Plus Water Conditioner - 500ml (92104)
(19)
AU $23.83 New
AU $23.83 New
---- Used
No used products available
28
Rank 28
API APH193 Stress Zyme 3.8L Aquarium Biological Water Additive
(5)
AU $189.00 New
AU $189.00 New
---- Used
No used products available
29
Rank 29
API APH178 Tap Water - 473ml
(11)
AU $29.89 New
AU $29.89 New
---- Used
No used products available
30
Rank 30
API Leaf Zone Aquarium Plant Fertilizer - 473ml
(1)
AU $29.87 New
AU $29.87 New
---- Used
No used products available
31
Rank 31
Seachem Paraguard 100Ml Size Name 100Ml
AU $31.59 New
AU $31.59 New
---- Used
No used products available
32
Rank 32
Aquarium Pharmaceuticals Stress Coat - 1gal
(10)
AU $143.00 New
AU $143.00 New
---- Used
No used products available
33
Rank 33
Seachem Flourish Phosphorus 500ml
(1)
AU $22.45 New
AU $22.45 New
---- Used
No used products available
34
Rank 34
Seachem Prime Aquarium Water Conditioner 100ml
(11)
AU $10.00 New
AU $10.00 New
---- Used
No used products available
35
Rank 35
API 5 in 1 Test Strips - 25 Pack
(8)
AU $34.00 New
AU $34.00 New
---- Used
No used products available
36
Rank 36
API Tapwater Conditioner - 4L
(9)
AU $105.00 New
AU $105.00 New
---- Used
No used products available
37
Rank 37
API Stress Coat Water Treatment - 473ml
(5)
AU $32.00 New
AU $32.00 New
---- Used
No used products available
38
Rank 38
sera 03398 Shrimps Mineral Salt 105 G - Designed Specifically for The Needs of S
AU $25.44 New
AU $25.44 New
---- Used
No used products available
39
Rank 39
API Quick Start Freshwater and Saltwater Aquarium Nitrifying Bacteria - 946ml
(6)
AU $88.00 New
AU $88.00 New
---- Used
No used products available
40
Rank 40
API Pondcare Accu-clear Water Clarifier 473ml
(2)
AU $38.99 New
AU $38.99 New
---- Used
No used products available
41
Rank 41
Aqua One 92083 pH Up Water Conditioner - 500g
(6)
AU $19.50 New
AU $19.50 New
---- Used
No used products available
42
Rank 42
API Stress Coat Aquarium Water Conditioner - 1.89L
(12)
AU $82.00 New
AU $82.00 New
---- Used
No used products available
43
Rank 43
Fluval Biological Enhancer 500ml Bacteria Aquarium Fish Tank Cycle
AU $39.50 New
AU $39.50 New
---- Used
No used products available
44
Rank 44
Aquarium Plant Fertiliser Seachem Flourish 500ml Fertilizer
(3)
AU $29.89 New
AU $29.89 New
---- Used
No used products available
45
Rank 45
Aquaforest Reef Mineral Salt 800g
AU $19.36 New
AU $19.36 New
---- Used
No used products available
46
Rank 46
API Phosphate Test Kit for Healthy Acquarium or Pound, Pack of 150 (AP063L)
(4)
AU $39.63 New
AU $39.63 New
---- Used
No used products available
47
Rank 47
Blue Planet Snail Rid Water Treatment - 125ml (EL105)
(9)
AU $12.50 New
AU $12.50 New
---- Used
No used products available
48
Rank 48
API PondCare Pond Master Test Kit Liquid Water Conditioner
(11)
AU $65.00 New
AU $65.00 New
---- Used
No used products available
49
Rank 49
Serenity Ph7 - 20g Buffer Block (neutral Water)
(1)
AU $5.00 New
AU $5.00 New
---- Used
No used products available
50
Rank 50
Blue Planet Aquarium Algae Control Block - 24g
(10)
AU $14.95 New
AU $14.95 New
---- Used
No used products available
51
Rank 51
API (AP052Q) Tap Water Conditioner 32oz - (0317163170526)
(17)
AU $45.95 New
AU $45.95 New
---- Used
No used products available
52
Rank 52
Seachem Flourish Plant Supplement - 2L
(5)
AU $73.49 New
AU $73.49 New
---- Used
No used products available
53
Rank 53
API LR1800 Nitrate Test Kit
(10)
AU $27.00 New
AU $27.00 New
---- Used
No used products available
54
Rank 54
Aqua One Clarify Water Clarifier, 500ml - 92149
(22)
AU $23.83 New
AU $23.83 New
---- Used
No used products available
55
Rank 55
API Stress Zyme Bacterial Cleaner - 946ml
(8)
AU $63.00 New
AU $63.00 New
---- Used
No used products available
56
Rank 56
Aqua One Snail Eliminator Water Additive - 150ml
(5)
AU $21.86 New
AU $21.86 New
---- Used
No used products available
57
Rank 57
Blue Planet Algae Cure Aquarium Fish 500ml Am126
(15)
AU $31.99 New
AU $31.99 New
---- Used
No used products available
58
Rank 58
API Marine Reef Master Test Kit 4 in 1 - Calcium Phosphate Nitrate KH Tests
(5)
AU $81.96 New
AU $81.96 New
---- Used
No used products available
59
Rank 59
Treatment Algae Eliminator 500ml 92144 Fish Tank Aquarium Aqua One
(7)
AU $22.00 New
AU $22.00 New
---- Used
No used products available
60
Rank 60
API Aqua Essentials For Fish Aquarium 118ml
AU $19.99 New
AU $19.99 New
---- Used
No used products available
61
Rank 61
Aqua One Water Conditioner Ammonia Chlorine Neutraliser 150ml
(2)
---- New
No new products available
---- Used
No used products available
62
Rank 62
Red Sea Reef Foundation A 5L Calcium Marine Supplement 5 Litre EXP2027
AU $169.00 New
AU $169.00 New
---- Used
No used products available
63
Rank 63
SPLOSHT Medium Natural Cleaner and Algae Killer
(4)
AU $149.00 New
AU $149.00 New
---- Used
No used products available
64
Rank 64
Blue Planet Complete Ph Test Kit Freshwater Aquarium Fish
(1)
AU $36.37 New
AU $36.37 New
---- Used
No used products available
65
Rank 65
Seachem Clarity 325ml - Save the Rhino - Clears Cloudy Water
AU $21.00 New
AU $21.00 New
---- Used
No used products available
66
Rank 66
API Saltwater Master Test Kit
(7)
AU $66.00 New
AU $66.00 New
---- Used
No used products available
67
Rank 67
Red Sea Nitrate No3 and Phosphate Po4 Reducer 500ml Marine Fish Tank Supplement
(5)
AU $35.95 New
AU $35.95 New
---- Used
No used products available
68
Rank 68
Aqua One Plant Food Fertiliser 150ml
(3)
AU $15.71 New
AU $15.71 New
---- Used
No used products available
69
Rank 69
Pond Cleaner Splosht Water Trough Pack - Cleans 100l to 1000l for 3 Months
(10)
AU $24.90 New
AU $24.90 New
---- Used
No used products available
70
Rank 70
Splosht Small Pond Conditioner for Algae & Sludge Control All Natural and Safe
(17)
AU $24.95 New
AU $24.95 New
---- Used
No used products available
71
Rank 71
Aquarium API Algaefix 118ml - Algae Killer
(5)
AU $15.50 New
AU $15.50 New
---- Used
No used products available
72
Rank 72
API High Range Ph Test Kit 160 Tests Freshwater Saltwater Aquarium
(1)
AU $26.00 New
AU $26.00 New
---- Used
No used products available
73
Rank 73
API Tap Water Conditioner 237ml
(1)
AU $16.11 New
AU $16.11 New
---- Used
No used products available
74
Rank 74
Blue Planet Water Conditioner Aquarium Fish 125ml
AU $16.90 New
AU $16.90 New
---- Used
No used products available
75
Rank 75
Aqua One Algae Block Eliminator 80g 4x120l 95010
(8)
AU $27.60 New
AU $27.60 New
---- Used
No used products available
76
Rank 76
API ACCU Clear Aquarium Water Clarifier 237ml
(13)
AU $27.50 New
AU $27.50 New
---- Used
No used products available
77
Rank 77
API 108A Water Conditioner
(7)
AU $29.00 New
AU $29.00 New
---- Used
No used products available
78
Rank 78
Seachem Stability 30 Bonus Buy 325ml
(3)
AU $14.95 New
AU $14.95 New
---- Used
No used products available
79
Rank 79
Seachem PH and Ammonia Alert Test Kit
(16)
AU $31.89 New
AU $31.89 New
---- Used
No used products available
80
Rank 80
API Pond Ecofix Sludge Destroyer Liquid - 64 oz
(8)
AU $93.45 New
AU $93.45 New
---- Used
No used products available
81
Rank 81
API Accu-clear Aquarium Water Clarifier 118 Ml
(1)
AU $16.99 New
AU $16.99 New
---- Used
No used products available
82
Rank 82
Continuum Aquatics Fraction 500ml - Removes Chlorine
(4)
AU $34.99 New
AU $34.99 New
---- Used
No used products available
83
Rank 83
API Co2 Booster 237ml Liquid Carbon
(3)
---- New
No new products available
---- Used
No used products available
84
Rank 84
Splosht Small Farmer Conditioner for Algae & Sludge Control Natural and Safe
(14)
AU $84.20 New
AU $84.20 New
---- Used
No used products available
85
Rank 85
Aqua One Ammonia Chlorine Neutraliser Aquarium Fish Tank Water Conditioner 500ml
(3)
AU $12.50 New
AU $12.50 New
---- Used
No used products available
86
Rank 86
Test Nitrate No3 sera 15 Ml
(1)
AU $32.49 New
AU $32.49 New
---- Used
No used products available
87
Rank 87
2x Seachem Prime 250ml Multipurpose Aquarium Water Conditioner
(9)
AU $26.45 New
AU $26.45 New
---- Used
No used products available
88
Rank 88
Seachem Flourish Growth Supplement - 40 Tablets
(9)
AU $55.00 New
AU $55.00 New
---- Used
No used products available
89
Rank 89
Blue Planet Ph up Aquarium Fish 200g
(2)
AU $19.71 New
AU $19.71 New
---- Used
No used products available
90
Rank 90
Seachem Prime Water Conditioner - 250ml
(4)
AU $29.46 New
AU $29.46 New
---- Used
No used products available
91
Rank 91
Aquasonic Ichonex White Spot Treatment 250ml - Freshwater Aquarium Medication
(1)
AU $13.50 New
AU $13.50 New
---- Used
No used products available
92
Rank 92
API Ph Test Kit 250 Tests Freshwater Saltwater Aquarium
(7)
AU $19.99 New
AU $19.99 New
---- Used
No used products available
93
Rank 93
Seachem Stability Tank Stabilization System - 500ml
(11)
AU $36.50 New
AU $36.50 New
---- Used
No used products available
94
Rank 94
API Aqua Essentials For Fish Aquarium 473ml
AU $39.99 New
AU $39.99 New
---- Used
No used products available
95
Rank 95
Red Sea Reef Foundation C Mg Supplement 1000ml
AU $44.95 New
AU $44.95 New
---- Used
No used products available
96
Rank 96
Continuum Aquatics Fraction - 2L (QFRA2L)
(1)
AU $74.99 New
AU $74.99 New
---- Used
No used products available
97
Rank 97
Blue Planet Water Ager Aquarium Fish 500ml
(3)
AU $22.45 New
AU $22.45 New
---- Used
No used products available
98
Rank 98
API Stress Zyme 1.89l Aquarium Biological Water Additive Exp2023
(6)
AU $62.50 New
AU $62.50 New
---- Used
No used products available
99
Rank 99
Blue Planet Pond Algae Control Blocks - White, Pack of 4
(12)
AU $15.95 New
AU $15.95 New
---- Used
No used products available
100
Rank 100
Seachem Flourish Nitrogen 2L
---- New
No new products available
---- Used
No used products available
