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PostPosted: May 2nd, '10, 23:14 
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excellent work!

I've been itching to to expand my system.....wife says I have to work on other projects first. :support:

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PostPosted: May 2nd, '10, 23:16 
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Seriously, this cant be healthy.
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so exciting!!!!
:flower:

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PostPosted: May 3rd, '10, 07:56 
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[quote="DecalsbyJT"]
First I want to say that you have made great progress and it looks terrific. My question pertains to your 'river rock'.
Image

Now, the lava rock is identifiable to me under the same name. BUT, the river rock is not named river rock up here in Minnesota as its a variable sized, SMOOTH, rock in varying colors.
Image
It has been very puzzling to me when people have mentioned river rock in posts. I wonder how much of this 'confusion' goes on.
For further comparison, http://www.lawnkingnursery.com/rock.html, you can scroll down and see the various terminology used locally. (I have absolutely no financial interest in this company, which happens to be the closest to me, but they had a set of reasonable pics to view.)

Also, you may have covered this in one the previous 42 pages, but why don't you just use the lava rock for the whole bed? I was planning on using just lava rock. I do understand that you're recycling some things from the old set-up, but the question would still stand. Perhaps this topic has been covered and I just can't locate it.


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PostPosted: May 4th, '10, 19:01 
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Tman wrote:
BUT, the river rock is not named river rock up here in Minnesota as its a variable sized, SMOOTH, rock in varying colors.


There are hundreds, nay thousands, of rivers around the world and each produce their own set of pebbles depending on the local geology. But they do have one thing in common. As you point out, they are smooth. :D

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Also, you may have covered this in one the previous 42 pages, but why don't you just use the lava rock for the whole bed?


Because Lava rock is extremely rough. Very good surface area, but extremely harsh on the hands. If you are going to be planting in that material you'll want something a little kinder to handle.

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PostPosted: May 5th, '10, 07:24 
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I agree......

the smooth rock is much easier on the hands.. and easier to plant in.... I only have the lava rock for the surface area.....

You can use smooth rock for the entire bed, but would probably take longer for the bacteria to expand....

after filling my new GB with the old media from the previous 3 beds.... Im going to have to get LOTS more media.. I used 75% of the old rock to fill the new GB.... and dont have enough to fill the next GB which is about half the size of the first one....

not time to try and get the siphon working......

water quality today

WT 73.5
PH 8.0 (all that well water)
amm .5 (which amazes me since I have only 1/10th the bio filter size I should have)
nitri .25
nitra 00

jT

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PostPosted: May 5th, '10, 10:29 
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after a couple days pulling what little hair I have left out..... I have the siphon working

I'm using a 1 1/2" (38mm) stand pipe with a 3" (76mm) bell......the stand pipe dropped below the bed by 8" (203mm) and went into a water s trap

I first took the old siphon from my previous AP system and set it up in the new GB... It would never start....If I pulled out the bell and put it right back on, it would start.... when the GB got to about 3/4" of water left, it would break without a problem...

I changed the hight of the standpipe, the height between the top of the standpipe and the bell top, put a weep hole in the stand pipe, I put a tiny air hole in the top of the bell... went with a straight drain pipe, added an air tube, nothing worked....

when this setup was in the previous GB, it worked flawless....for a year...

so I decided to try the affnan siphon design, since its been a while since I read about it, I went to youtube and watched the vids again and went about setting up my version....

Affnan used a 1" (25mm) stand pipe and a 1" (25mm) to 1 1/2" (38mm) adapter, since my GB is so large, I opted to stay with my 1 1/2" (38mm) piping... and used a 1 1/2" (38mm) to 2" (50mm)adapter. I put down a straight drain pipe.........

I set it up and and got the height set, ran my standard pump and the siphon kicked in without a hitch.... worked first time.....I tested it a few more times and it worked like a charm.... It left about an inch of water in the bed, but I added a weep hole and it drains down to about 1/4" of an inch...

the siphon drains the GB just a little faster then the inflow from the FT....even though im filling it much faster then it will when I get more beds online...

JT


Attachments:
File comment: looking down the gravel guard... the white bar you see is to keep the bell from moving around as it drains... it doesnt float, but sways from side to side..... it may be the kink in the drain pipe, will try it straight and see if that helps
first GB siphon build 5-04-10 001.jpg
first GB siphon build 5-04-10 001.jpg [ 362.63 KiB | Viewed 1244 times ]
File comment: pretty much straight downpipe, just a turn for a little back pressure
first GB siphon build 5-04-10 002.jpg
first GB siphon build 5-04-10 002.jpg [ 312.2 KiB | Viewed 1241 times ]
File comment: the total height is 9 3/4" (247mm) tall and starts when the water level is 1 1/4" (31mm)below the top of the GB...
first GB siphon build 5-04-10 003.jpg
first GB siphon build 5-04-10 003.jpg [ 426.95 KiB | Viewed 1241 times ]

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PostPosted: May 5th, '10, 14:22 
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:cheers: Yes... More converts to the Affnan, join the club brother, they rule :headbang:

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PostPosted: May 6th, '10, 03:26 
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Cinco de Mayo

just another day LOL.....

been working a little ... started shoveling a lot of recycled crush and run.... its about half the cost of regular crush and run... and looks cool too..

this is where the second of 4 GB's is going..... I will be mixing a couple bags of concrete mix into it to make it nice and sturdy...

jT


Attachments:
File comment: got the recycled crush and run in place and tamped down.. will add cement mix to it and water it in to make it more durable
2nd GB start 5-05-10 001.jpg
2nd GB start 5-05-10 001.jpg [ 435.74 KiB | Viewed 1158 times ]
File comment: The affnan siphon is still working like a charm..... still keeping an eye on it and soon will be back-filling the rock into place.... just want to make sure there are no problems..
first GB siphon draining 5-05-10 002.jpg
first GB siphon draining 5-05-10 002.jpg [ 359.42 KiB | Viewed 1150 times ]

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PostPosted: May 6th, '10, 06:52 
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Simo wrote:
:cheers: Yes... More converts to the Affnan, join the club brother, they rule :headbang:



Hey Simo.....

did a test today.... took the kink drain out and put a straight pipe in.... I also doubled the
weep hole from 1/8" to 1/4"

with the kink drain in place and 1/8" weep hole, the siphon broke (stopped) leaving about 1" of water in the bottom of the GB...

after putting on the straight pipe, and increased weep hole the siphon broke with almost 3 inches of water left in the GB...

tomorrow will add a couple inches to the horizontal section of the drain pipe...and see what happens...

jT

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PostPosted: May 7th, '10, 11:14 
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Getting the first GB finished up....

have to add the rest of the media.... and put on the top plates...

all exposed wood has a min. of 2 coats of polyurathane.....

still dialing in the siphon.... my large pump was pushing way to much water for
one GB... even with the bypass wide open....

I using my small pond pump for now until I can get the second GB built.. but its to slow, so added a second sump pump to the system and between both of them, they have the right flow to make sure the siphon kicks in every time...

when taking the old system apart, I did find termites... when building the first system, I didnt even think about them.... but this time... Ive put termite crystal all around the ST, and GB areas... this is watered into the ground.. I have also soaked down all end grain on the 2 x 4's and sprayed the backside of the plywood... all voids have been soaked....

sparyed areas cannot get into the water by any means....

I had to take a corner of the liner out of the FT to re-seal the uniseal and looked down into more termites..

soooo.... will do a new fish tank before doing the two west side GBs... just another minor setback... :)

will be starting on the second GB saturday and hope to bring it online by wed or so...

jT


Attachments:
File comment: hose coming out of the ST is the temp pond pump... getting the big pump ready..
first GB finishing 5-06-10 002.jpg
first GB finishing 5-06-10 002.jpg [ 418.42 KiB | Viewed 1076 times ]
File comment: end view... have finish the rock..put the top caps on.. the FT looks weired without the little bio filter I had up there.. :)
first GB finishing 5-06-10 001.jpg
first GB finishing 5-06-10 001.jpg [ 451.81 KiB | Viewed 1072 times ]

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PostPosted: May 9th, '10, 04:01 
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finished up a lot of little things today..... also started to set up the second GB base

I put down treated 4 x 4's for the legs to sit on.... this will help to distribute the weight of the media.... this sits on compacted crush and run (almost as tough as concrete)

leveled up the 4 x 4's so everything from there up will be level.... bolted 3 spreaders to position the base to the correct width.....

I also officially finished the first GB by putting the finishing top cap on...... every surface exposed to the humid air of the GH has had a minimum of two coats of polyurathane and more likely than not 3+ coats.....

Im building this one to last and look good :headbang:

JT


Attachments:
File comment: starting to lay done the GB support beams... using compacted crush and run to make them level
second bed start 5-08-10 001.jpg
second bed start 5-08-10 001.jpg [ 390.93 KiB | Viewed 981 times ]
File comment: all leveled up with spreader bars for correct width... next is to determine leg height and start building the GB
second bed start 5-08-10 002.jpg
second bed start 5-08-10 002.jpg [ 406.6 KiB | Viewed 975 times ]
File comment: the finished top cap with 45 corners... got to make it look good as well as work correctly...
first GB finished 5-08-10 001.jpg
first GB finished 5-08-10 001.jpg [ 388.12 KiB | Viewed 973 times ]

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PostPosted: May 9th, '10, 05:46 
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Seriously, this cant be healthy.
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Dang termites! Good Luck!

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PostPosted: May 9th, '10, 06:52 
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I was begining to think you must not have termites in the USA because every one seems to be able to build these fantastic GBs and FTs out of pine, if I did that at my place it would be gone in about a week (slight exaggeration).

Looking good JT :headbang:

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PostPosted: May 9th, '10, 10:03 
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hey

they are not really bad..... and with a little pre-application in the ground and letting the wood soak up some killer... I dont think I will have the same problem again...

I will be able to take off the side panels and check at least once a year...

when I rebuild the FT, I will make it so I can open up the sides for inspection....

learned A LOT from the first system..... new system will be 10 times better....

jT

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PostPosted: May 9th, '10, 23:41 
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great day to work, temp 72 (22c) so trying to get the second GB finished....

built the GB base and starting to put in the blocking...

jT


Attachments:
File comment: first section of GB base.... used to have loads of room in the GB, but its getting tighter
second bed base 5-09-10 001.jpg
second bed base 5-09-10 001.jpg [ 395.05 KiB | Viewed 882 times ]
File comment: using clamps to pull the sections together..... tighter the better
second bed base 5-09-10 002.jpg
second bed base 5-09-10 002.jpg [ 425.56 KiB | Viewed 878 times ]
File comment: base built, putting center blocking in... then double plywood
second bed base 5-09-10 003.jpg
second bed base 5-09-10 003.jpg [ 401.49 KiB | Viewed 874 times ]

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