Why is my ph so high? - The Planted Tank Forum
LinkBack Thread Tools Display Modes
post #1 of 3 (permalink) Old 07-01-2019, 01:45 AM Thread Starter
Algae Grower
Jstabile316@gmail.com's Avatar
PTrader: (0/0%)
Join Date: Jul 2018
Posts: 6
Why is my ph so high?

So I’m currently in the middle of cycling a new 75 gallon so that I can temporarily house the fish from my 29 gallon that I plan on rescaping soon. Right now I have 2 aquaclear 50s on there with sponges and as much matrix I could fit( filters are temporary until I get my canister filter that’s running the 29) My current parameters are,

PH- 8.0
KH - 4
GH - 5
Ammonia- 5 ppm ( currently cycling with pure ammonia)
Nitrites - somewhere between 2-5 ppm ( hard to tell on the api test kit , just started seeing nitrites come up 2 days ago)
Nitrate - 10 ppm( just registered on the test today for first time)

Currently all I have in the tank is one 20 lb bag of eco complete, 4 large pieces of spider wood, about 15 pounds of seiryu stone and some plant clipping from my 29 gallon ( hygrophila and frogbit)

Why is my P.H so high? I know that seiryu stone could possibly raise it but wouldn’t it also raise my KH and GH? My tap water has a
ph of 7.4
Kh 4
Gh 5

Any help would really be appreciated.
Sponsored Links
post #2 of 3 (permalink) Old 07-01-2019, 01:54 AM
snails are your friend
Blue Ridge Reef's Avatar
PTrader: (13/100%)
Join Date: Feb 2008
Location: Asheville, NC
Posts: 2,064
My best guess is the seiryu stone. I bought it as inert and it jacked my pH and KH in both tanks it was added to. Not sure, but that's my best guess. Why your KH is stable, I'm not positive.

Nothing good happens fast in an ecosystem.
Blue Ridge Reef is online now  
post #3 of 3 (permalink) Old 07-01-2019, 03:43 AM
Wannabe Guru
DaveKS's Avatar
PTrader: (0/0%)
Join Date: Apr 2019
Location: 67212
Posts: 1,689
Brand new tanks are always a bit off. Once natural acids build up from decomposition it will drop a bit.

Did you let tap throughly degas before taking reading?

Watch ammonia your getting on edge of to high. Nitrites for sure keep 4ppm or under. When cycle is closer to completion you may see PH move down a bit.

Right about now is when Iíd start adding a bit of fish food, pretend your feeding a pair of guppies, itís a more of slow release of phosphate and nitrate. Even add 2-3 almond leaves for natural acids they release.

Only after cycles complete and 1st fish have been in there a week would stones become suspect because at this time everything is in flux.
DaveKS is online now  


Quick Reply

Register Now

In order to be able to post messages on the The Planted Tank Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome