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Old 06/14/2018, 11:54 PM   #3001
HBL
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Found this masterflex tubing reference list from the following website. It looks like he use ls17 for 7015 head, but it just yields more ml/hr. Has any one try it?

http://www.basementreeftank.com/9.html

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Old 06/20/2018, 10:57 AM   #3002
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Anyone know how to fix a error #7 eeprom checksum error.


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Old 06/21/2018, 08:19 PM   #3003
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I see a few people were selling heads that are ls17 compatable. Anyone still have one they are selling for a reasonable price?


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Old 06/21/2018, 08:44 PM   #3004
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I have an Extra 7016-20 Head like new condition for $40 plus shipping.
https://www.coleparmer.com/i/masterf...chterm=7016-20


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Old Yesterday, 07:21 AM   #3005
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Quote:
Originally Posted by jh2pizza View Post
I have an Extra 7016-20 Head like new condition for $40 plus shipping.
https://www.coleparmer.com/i/masterf...chterm=7016-20
this pump is for LS16, not LS17


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Old Yesterday, 09:10 AM   #3006
pandimus
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Quote:
Originally Posted by hkgar View Post
this pump is for LS16, not LS17
Yeah.. looking for one for lS17.


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Old Yesterday, 10:58 AM   #3007
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You do realize the pump heads are all interchangeable? For instance, I use a 7018-21 due to the higher flow rate at a lower RPM. Keeps the motor noise down.


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Old Yesterday, 12:58 PM   #3008
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Quote:
Originally Posted by jh2pizza View Post
You do realize the pump heads are all interchangeable? For instance, I use a 7018-21 due to the higher flow rate at a lower RPM. Keeps the motor noise down.
The 7018-21 is not an Easy Load head and doesn't support the pharmed tubing let alone LS17 tubing. It requires LS18 silicone tubing that will wear out very fast when being run 24/7. It's not really well suited for continuous 24/7 duty. It's fine for ATO use but not ideal for calcium reactor use.


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Old Yesterday, 02:51 PM   #3009
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Yeah my reasoning is I want to use it for Calcium reactor. The head that I am getting with it is the one that is for ls15 and ls24. But why spend all the money on the incorrect tubing etc. I'll just find the correct head.


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Old Yesterday, 10:13 PM   #3010
jh2pizza
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Quote:
Originally Posted by slief View Post
The 7018-21 is not an Easy Load head and doesn't support the pharmed tubing let alone LS17 tubing. It requires LS18 silicone tubing that will wear out very fast when being run 24/7. It's not really well suited for continuous 24/7 duty. It's fine for ATO use but not ideal for calcium reactor use.
That makes sense now. I have been running with the same tubing for over 9 months, I should change it.


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