Q about the dosing regimen sticky - The Planted Tank Forum
 
LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old 03-13-2006, 05:06 PM Thread Starter
Planted Member
 
PTrader: (0/0%)
Join Date: Jul 2005
Location: Saint John, New Brunswick
Posts: 264
Q about the dosing regimen sticky

Hi,

I need help understanding something:
The sticky sugests for a 75Gal tank:

Tank's (3)
For a 60~80gal
50%H20 change-weekly
+/-3/4Tsp KN03 3x a week
+/-3/16Tsp KH2P04 3x a week
+/-1/4Tsp K2S04 3x a week
+/-15ml Trace 3x a week
+/-4-8ml Fe/Iron 3x a week

If I compare with Chucks calculator, it would give an amount of 9.07ppm Nitrate
He recomends 5ppm, and I've read somewhere that the target should be between 5-30ppm. So 9.07pmm is okay I guess.

For phospaphate, 3/16 chucks says it gives 2.11ppm, I've read that it should eb in the range 1.0 - 2.0ppm, but also read in this thread that up to 5.0ppm is fine as well.

For Potassium 1/4tsp by chucks gives 2.37ppm potassium, he recomends 20ppm and elsewhere I've read a range between 10-30ppm.

Am I missing something about potassium? Why is the dose recomended so low in the sticky?

Thanks
HammerJoe is offline  
Sponsored Links
Advertisement
 
post #2 of 4 (permalink) Old 03-13-2006, 05:45 PM
Are these real?
 
Wasserpest's Avatar
 
PTrader: (195/100%)
Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,634
Some potassium is already added with KNO3 and KH2PO4.

Say you would not add KNO3 because your fish poop a lot and your water source contains 20 ppm already, then you'd have to add more K2SO4.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Wasserpest is offline  
post #3 of 4 (permalink) Old 03-14-2006, 12:36 AM Thread Starter
Planted Member
 
PTrader: (0/0%)
Join Date: Jul 2005
Location: Saint John, New Brunswick
Posts: 264
But isnt the potassium dosage on the low side?
2ppm when it sugests 20?
HammerJoe is offline  
 
post #4 of 4 (permalink) Old 03-14-2006, 03:34 AM
Wannabe Guru
 
yoink's Avatar
 
PTrader: (69/100%)
Join Date: Apr 2005
Location: Indiana
Posts: 1,981
You are actually putting more K in than 2ppm, some comes from the KNO3 and KH2PO4. With all of the above you are dosing around 10ppm K, around 10ppm NO3, and around 2.5ppm PO4 3x per week.
yoink is offline  
Reply

Tags
None

Quick Reply
Message:
Options

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

Password:


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

Email Address:
OR

Log-in










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