Aquarium Water Forum

for sub-topics related to aquarium water such as testing, pH, temperature, water changes, the nitrogen cycle, etc.

Aquarium Nitrogen Cycle

Some call it new tank syndrome, others call it a pain in the you know what. You have to understand this process in fish keeping. You may have issues related to the aquarium nitrogen cycle and if you do post your questions on this board. Also see:: Aquarium Nitrogen Cycle, The Cycle - How Mother Nature Cleans House
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10.8K
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151.1K
Threads
10.8K
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151.1K
MacZ
Does levamisole hurt nitrogen cycle bacteria and/or plants?

pH

for topics about aquarium pH. Aquarium pH article.
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2.2K
Messages
23.2K
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2.2K
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23.2K
hulkbuster
20 Gallon Tank Substrate is lowering pH dangerously low

Cloudy Aquarium Water

for topics related to cloudy aquarium water. It could new tank syndrome which happens in newly set up aquariums or you may have white, green or yellow cloudy water for various reasons. Find out what is going on in that cloudy freshwater fish tank! Post your questions, tips and comments here. Also see this article: Cloudy Aquarium Water
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1.2K
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13.3K
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1.2K
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zooey
Cloudy Water in Fish Tank for over two weeks!

Temperature

For freshwater aquarium temperature topics.
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383
Messages
3.8K
Threads
383
Messages
3.8K
J
Trouble with temperature

Test Kit

Having trouble reading the color or interpreting the results on your freshwater aquarium test kit? Some of the most common and recommended kits to use are for ammonia, nitrite, nitrate and pH. Post your test kit question here. Aquarium Test Kit article.
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993
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11.2K
Sub-forums:
  1. Test Kit Results ID and Help
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993
Messages
11.2K
ChrissFishes01
Api test kit showing 0 ppm nitrates

Water Supplements

For topics discussing water conditioners such as dechlorinators, aquarium water supplements, fish stress products, new products to help cycle the aquarium, etc.
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1.3K
Messages
13.5K
Threads
1.3K
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naterock15
Water conditioner help

Water Change

Used to discuss one of the most important aspects in all of fish keeping - water changes.
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1K
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B
4G/No Filter/No Plants - water change
lorianne621
  • Locked
  • Sticky
What's in Your Tap Water? Nitrates over 10ppm?
  • lorianne621
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7
Views
6K
aoiumi
C
  • Sticky
Review of Nitrate Reducers
  • CindiL
2 3 4 5
Replies
174
Views
42K
H2O Concierge
Fishkeeping7777
PH hasn’t gone down what to do
  • Fishkeeping7777
2
Replies
70
Views
358
BlockHead1981
L
Nitrates and Nitrites but no ammonia
  • Lisbethlm
Replies
3
Views
35
Lisbethlm
Bettamay
Strange White and Orange Stuff
  • Bettamay
Replies
5
Views
37
StarGirl
K
(Absolutely not a) pro-tip API ammonia testing
  • Kedgie
Replies
10
Views
91
tfckmk988
N
Chlorine in tap water
  • Naveen
Replies
9
Views
96
Naveen
BigFish99
How important is gh??
  • BigFish99
Replies
6
Views
124
BigFish99
cmeier7
Well water - concerns about quality
  • cmeier7
Replies
9
Views
136
MasterPython
coderedjulia
Stinky country well water for 10 gallon freshwater tank
  • coderedjulia
Replies
5
Views
79
coderedjulia
R
Need help with GH and KH
  • Rammsteinfan
Replies
16
Views
82
MacZ
DoubleDutch
  • Question
Waterpollution-bioload certain fish
  • DoubleDutch
Replies
11
Views
233
Flyfisha
Meeki
Have you ever gotten salmonella from tank water?
  • Meeki
Replies
15
Views
241
Leeman75
F
Pleco caves and water quality
  • Fisch
Replies
1
Views
35
MacZ
B
Cycled aquarium showing .25 ppm ammonia
  • Brendoboi
Replies
3
Views
57
StarGirl
K
Increasing TDS readings.
  • Kelvin12
Replies
2
Views
48
Kelvin12
F
New 75 gallon tank with brown water from gravel
  • Fishfurmom
Replies
8
Views
76
TClare
Mycatisanorange
Excess ramshorn snails causing ammonia spike?
  • Mycatisanorange
Replies
1
Views
30
BigManAquatics
H
  • Question
Moving my guppies
  • Hkx
Replies
3
Views
31
Roman96
T
Hard water leaving a ring around aquarium
  • TXTECH
Replies
12
Views
64
JettsPapa
B
Help-foamy bubbles from filter
  • Bingerlicious
Replies
1
Views
51
jdhef
peachsonas
Mulm Everywhere!!
  • peachsonas
Replies
7
Views
71
StarGirl
A
Is R.O. water good for freshwater fish?
  • AamirAlfaiz
Replies
2
Views
55
Ouse
mountaingiant
Where to go from here?
  • mountaingiant
Replies
1
Views
53
A201
Native208
20 Gallon Tank Should i be worried?
  • Native208
Replies
3
Views
90
FishareFriends6
A
Water Softener System for Well
  • Amber818
Replies
1
Views
48
JettsPapa
FishOverseer909
What do I do now?
  • FishOverseer909
Replies
0
Views
53
FishOverseer909
R
  • Question
Remineralization on a Cichlid tank vs a shrimp tank
  • Ryan921
Replies
3
Views
38
MacZ
A
Water Parameter Change!
  • Amber818
Replies
2
Views
73
Amber818
S
Nitrate Gone After Upgrading Filter with Seeded Media
  • Swatson
Replies
11
Views
120
Swatson
O
Using green water to export nitrates and phosphates.
  • Oxide
Replies
6
Views
78
MacZ
djas
10 Gallon Tank Kanaplex in a tank
  • djas
Replies
6
Views
61
djas
S
Pleco Water Parameter Help!
  • Sarajane423
Replies
3
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52
Davidh9054
L
Healthy water nice to see
  • lvlacic
Replies
2
Views
69
Lucy
L
Can you really achieve zero ammonia?
  • lvlacic
Replies
11
Views
194
lvlacic
K
Sitting water in tank
  • KSwims
Replies
4
Views
77
KSwims
K
LFS uses RO water, my tap is hard as stone
  • kansas
Replies
1
Views
40
Mudminnow
LinasPlantLife
0 Nitrate for 5 gallon?
  • LinasPlantLife
Replies
6
Views
104
LinasPlantLife
R
Newb losing my mind over Nitrites and Nitrates
  • Reality45
Replies
13
Views
183
Fish20G
FishOverseer909
Ammonia spiking for unknown reason
  • FishOverseer909
Replies
7
Views
104
FishOverseer909
Fishkeeping7777
There’s a dust film over my water
  • Fishkeeping7777
Replies
10
Views
93
Fishkeeping7777
S
Ammonia won't seem to go down
  • SuriahAnderson
Replies
3
Views
74
SuriahAnderson
L
Ammonia spike, some pass away and others not
  • lvlacic
Replies
9
Views
87
StarGirl
Fish20G
Tiny white string on decor?
  • Fish20G
Replies
5
Views
89
Fish20G
mountaingiant
Need help on small and large aquarium. Fish possibly dying.
  • mountaingiant
Replies
9
Views
121
Roman96
R
Need help with GH and KH
  • RachaelPro
Replies
4
Views
86
StarGirl
Fish20G
PH of 9 from the tap
  • Fish20G
Replies
24
Views
294
Fish20G
C
Seachem prime added to water
  • Carolinebee
Replies
23
Views
184
Carolinebee
sakusakus
34dGH Water - How to soften incredibly hard water
  • sakusakus
Replies
5
Views
89
MacZ
Fishjunkiejimmy
Lowering nitrates without water changes
  • Fishjunkiejimmy
Replies
28
Views
330
ruud
C
Really hard water, need help lowering my Gh
  • Cassiejh
Replies
5
Views
122
Fish20G
cosermann
Does my GH and KH need adjusting?
  • cosermann
Replies
4
Views
102
cosermann
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