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Water Chemistry
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This is the place to discuss things such as water testing, chemicals, algae (green water), etc...
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Pollution
Meyer Jordan
Aug 18, 2015
2
Replies
19
Views
7K
Dec 4, 2017
JamieB
Locked
Sticky
READ BEFORE POSTING: For queries about water quality, algae, fish problems etc
Becky
Jul 19, 2013
Replies
0
Views
10K
Jul 19, 2013
Becky
UV on new pond
ErikvR
Nov 3, 2025
2
Replies
22
Views
974
Dec 21, 2025
GBBUDD
B
Advice please - Rain water harvesting for ponds
bob1
Nov 4, 2025
Replies
6
Views
549
Nov 9, 2025
GBBUDD
E
Better filtration/UV system for 400 gallon godfish pond
elbmd
Oct 5, 2025
2
Replies
16
Views
1K
Nov 6, 2025
elbmd
E
P
Fertilizer Spikes as Alternative to Pondtabbs
PondintheCity
Sep 29, 2025
Replies
10
Views
465
Oct 6, 2025
Lisak1
M
Very High pH
Mehitabel
Sep 27, 2025
Replies
3
Views
756
Sep 27, 2025
Sisha
Old API pond master test kit vs. off brand water test strips
tinycat
Sep 22, 2025
Replies
6
Views
916
Sep 26, 2025
WaterGardener
Flagstone & Other Rocks Covered in Brown/Gray Film Is This OK?
tanyaclick
Sep 13, 2025
Replies
9
Views
495
Sep 16, 2025
j.w
J
Is this water normal looking?
jg1234
Aug 26, 2025
Replies
10
Views
2K
Sep 3, 2025
sissy
O2 meter
waynefrcan
Aug 27, 2025
Replies
3
Views
285
Aug 27, 2025
waynefrcan
Has Anyone Gone Down the Expensive Koi Food Rabbit Hole Was It Worth It?
tanyaclick
Aug 6, 2025
2
3
4
Replies
46
Views
2K
Aug 22, 2025
sissy
P
Help! My 3000 gallon pond suddenly has huge variations in ph.
phup
Jul 21, 2025
Replies
13
Views
698
Aug 18, 2025
WaterGardener
Blanket algae
waynefrcan
Aug 16, 2025
Replies
1
Views
335
Aug 16, 2025
waynefrcan
Aquascape Ecoblast Algaecide. Has Anyone Tried This?
jgrandmont
Jun 1, 2024
Replies
7
Views
2K
Aug 9, 2025
Summrbrz
Handy device to avoid killing your fish with chlorinated city water
kaarl
Oct 13, 2024
Replies
7
Views
708
Aug 4, 2025
GBBUDD
M
Aguascape 3500,
Mick45
Aug 2, 2025
Replies
3
Views
291
Aug 2, 2025
j.w
Polyquat algaecide
permaculturebob
Jul 20, 2025
Replies
5
Views
357
Jul 21, 2025
permaculturebob
Need Advice: Pond Complete, But Water Is Pea Soup Green Should We Drain It All?
tanyaclick
Jul 17, 2025
Replies
7
Views
1K
Jul 18, 2025
GBBUDD
P
Blagdon green away
pauljIre
Jun 27, 2025
Replies
4
Views
550
Jul 12, 2025
j.w
Brown water
pond maven
May 13, 2025
2
Replies
17
Views
1K
Jul 5, 2025
addy1
A
Blagdon Clean Pond Machine..can't replace UV
agmac
Jun 21, 2025
Replies
6
Views
330
Jun 23, 2025
GBBUDD
Raising water hardness, is baking soda regularly the best way to go?
chibae
May 25, 2025
2
Replies
17
Views
1K
Jun 21, 2025
Rugar458
R
D
Can storms overwhelm a bog filter?
dinm
Jun 19, 2025
Replies
10
Views
360
Jun 21, 2025
dinm
D
What good filtration can do for a pond
GBBUDD
Jun 15, 2025
Replies
2
Views
529
Jun 16, 2025
GBBUDD
1
Pond/Fish Troubles
1lilhunt
Jun 12, 2025
Replies
11
Views
563
Jun 14, 2025
GBBUDD
F
String algae, water chemistry
Fugly69
Jun 3, 2025
2
Replies
16
Views
873
Jun 12, 2025
sissy
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