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Joined: Jun 2016
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Joined: Jun 2016
Posts: 2,344 Likes: 101 |
That's some good information TGW! I am assuming the "87 last year top to bottom" did not kill any fish which should relieve those that are approaching such temperatures.
and, The fact that you have established a thermocline by raising the diffusers is promising. My deepest diffuser is about 20 inches off the bottom, but no thermocline to speak of has developed.
I look forward to the repair of your D0 meter.
EDIT: I would be concerned if too many pink sheets were used. It would reduce the water to air interface. I wonder what a "rule of thumb" ratio would be?
Last edited by Quarter Acre; 08/29/18 09:57 AM.
Fish on!, Noel
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Joined: Aug 2018
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Joined: Aug 2018
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Tom, I've been considering something along those lines too. Just don't know if I want to see big pink sheets floating on the pond. It's right outside the front door. Maybe some kind of floating island tho. I used 1 sheet to make a pair of 2x4 turtle/duck floats and covered them with green indoor/outdoor carpet as that's what I had on hand. Lot's of variations on that theme to hide them if they were to be permanent. I don't really need the additional shade though except around mid-day as I've got trees circling the pond. I'll pull mine out of the water once it start to ice over but you probably don't have to deal with that issue so aesthetics may be more of an issue.
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Joined: Sep 2014
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Joined: Sep 2014
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QTR A, yes the 87 temps were from last year with the diffusers running 24/7 and the diffusers were set on bottom. This year I used rebar to build 4-4 legged stands or lets just call them tables and set the diffusers on them. I left two diffusers on bottom in the 7 depths. So most all of the diffusers are at the same level or depths in the pond. I also went to running them from 9pm to 10am instead of 24/7. Last year in the heat of the summer I found 3 dead and floating lmb. This year no dead floaters. And I am not so sure I would call what I have now a true thermocline but more like just some cooler water on or near the bottom. From my experience a thermocline here is where the water is a lot colder, based from my scuba diving experiences. When scuba diving the thermocline water temps are so cold I just can't swim there, even when wearing wet suits.
Last edited by TGW1; 08/29/18 02:53 PM.
Do not judge me by the politicians in my City, State or Federal Government.
Tracy
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