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 Post subject: Ivan's First System
PostPosted: Jun 21st, '09, 19:00 
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Hi everyone,

Thanks for all your advice and help.

I have almost finish putting together my BYAP Entertainer System (1000L FT + 2GB).

Just some small tidy-ups, putting in the air pump, etc, and we should be ready to flick the switch.

So I think that will happen tomorrow some time.

Looking at hopefully getting some trout into the FT this coming Friday. How long does it usually take to
cycle the system? Any advice?


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 Post subject: Re: Ivan's First System
PostPosted: Jun 21st, '09, 19:20 
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Any one close you can swap some gb media with or get some of there water. It will speed things up a little if you are planning on adding fish quickly. Lots of o2 plus 2ppt of sea salt. 2kgs per 1000ltrs of water.

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 Post subject: Re: Ivan's First System
PostPosted: Jun 21st, '09, 20:13 
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Hi Dufflight,

I will be dropping by BYAP to collect some bacteria either tomorrow (Monday) or Friday.

I have already got 3kg of salt handy.

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 Post subject: Re: Ivan's First System
PostPosted: Jun 21st, '09, 20:14 
Talk to Joel & Faye about when to add fish while you're there... and follow their advise...


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 Post subject: Re: Ivan's First System
PostPosted: Jun 22nd, '09, 08:54 
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Good to see you're on the way Ivan, good luck, just to elaborate on rupes advice, Talk to Joel and Listen to Faye :lol:

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 Post subject: Re: Ivan's First System
PostPosted: Jun 22nd, '09, 16:49 
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Thanks guys. Pick up some bacteria in a bottle today. Will put it into the growbed tonight.

Nocky, you were a little more specific than Rupert, does it mean that I shouldn't listen to Joel? :lol:

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 Post subject: Re: Ivan's First System
PostPosted: Jun 23rd, '09, 09:48 
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Jeez Ivan your digging me a hole :lol: I can't elaborate any further really, but women are always right, you ask them :o
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 Post subject: Re: Ivan's First System
PostPosted: Jun 23rd, '09, 16:40 
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Since the last time I posted, I have filled up my tank with water (from the tap).
I have started cycling my system on Monday with a little fine-tuning here and there. Planted some seedlings and seeds. Added some Seasol and the bacteria from BYAP.

Today, I added 10x cheap goldfishes to get the system going. Not sure how 10x goldfishes is going to provide enough ammonia but it is better than nothing until I get my trout.

Also got the test kit today.
Readings are:
pH - 7.6
Ammonia - 0
Nitrite - 0
Nitrate - 0
Temp - 12degC

Since it was the first test, I decided to do every tests to get a baseline. Will I need to do all the test again if ammonia is still zero over the next two days?


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 Post subject: Re: Ivan's First System
PostPosted: Jun 23rd, '09, 16:49 
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It shouldn't stay at zero just feed your fish and test in 2 or 3 days, but even with yabbies only and some very small (guppie size) pygmy perch my ammonia went up, the 50 trout blew it out of proportion

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 Post subject: Re: Ivan's First System
PostPosted: Jun 23rd, '09, 17:40 
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Thanks, I will check again in 2-3 days time.

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 Post subject: Re: Ivan's First System
PostPosted: Jun 25th, '09, 21:19 
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I run my pump based on a 15min on and 45 mins off cycle as recommended by BYAP. But I just checked that I have got the valves to the GB set such that in 6mins the GB is flooded and the water is overflowing over the standpipe for the remaining 9 mins.

Should I adjust the valves to the GB to allow less flow through so that the GB is only flooded closer to the 15mins mark?

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 Post subject: Re: Ivan's First System
PostPosted: Jun 25th, '09, 21:41 
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ivansng wrote:
Should I adjust the valves to the GB to allow less flow through so that the GB is only flooded closer to the 15mins mark?

That would just be adding more stress on your pump.
If the standpipes are adjusted correctly, the overflow should not be an issue.
The other option is to include the bypass to the FT and create that whirlpool effect, and include the venturi to also further airate the FT. Put a valve on the bypass so you can regulate the flow to the beds and the bypass to the FT.

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 Post subject: Re: Ivan's First System
PostPosted: Jun 25th, '09, 21:46 
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Here's a pic of the bypass I have on my 1 bed system...


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 Post subject: Re: Ivan's First System
PostPosted: Jun 25th, '09, 22:59 
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newfarmer wrote:
That would just be adding more stress on your pump.
If the standpipes are adjusted correctly, the overflow should not be an issue.
The other option is to include the bypass to the FT and create that whirlpool effect, and include the venturi to also further airate the FT. Put a valve on the bypass so you can regulate the flow to the beds and the bypass to the FT.


Well I got the kit from BYAP, I was not aware that I need to adjust the standpipes. Did I miss a step in the installation guide? All I know is that when I use my hand to dig comfortably into the clay to the depth of all my fingers, I can see water flooding at that level.

If you look at the photo I have attached above, I have added a ball valve (with blue handle) near the tank. It was based on recommendation from the installation guide so that it can be used to get rid of some water from the tank easily if required. I have an hose attachment at the end of that valve. I might be able to easily adapt another attachment and put on a retic tube to divert water back into the tank.

Hopefully I will be getting trout put in next week, so the whirlpool will give them something to play with. Hopefully they don't jump up coz I am still trying to sort out a cover for the tank. Will try to keep the water level lower in the meantime. The rain is not helping.

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 Post subject: Re: Ivan's First System
PostPosted: Jun 25th, '09, 23:42 
ivansng wrote:
I run my pump based on a 15min on and 45 mins off cycle as recommended by BYAP. But I just checked that I have got the valves to the GB set such that in 6mins the GB is flooded and the water is overflowing over the standpipe for the remaining 9 mins.

Should I adjust the valves to the GB to allow less flow through so that the GB is only flooded closer to the 15mins mark?


Nope.... just leave as it is setup....

The design is intended as such.... that the growbed fills to the required height that is set by the standpipe....

The ball valve is used to restrict the flow... if... if the inflow to the growbed is flooding too high... which can be caused by the inflow overwealming the drain through the standpipe...

Occasionally the standpipe itself may be marginally too high... resulting in a high flood level... this can be rectified by tapping the standpipe down into the waste... or trimming a few mm of the top of the standpipe...

But tis doesn't appear to be the case in your system..

It doesn't matter if the growbed level is acheived in 6 minutes... as the remaining time the pump is on ... will merely result in the inflow draining over the top of the standpipe...

Of course when the pump/timer is off the growbed drains via the small holes in the bottom of the standpipe...

The 15 min on 45 min cycle is designed for two main reasons.... to desseminate the nutrient water and suspended solids into the growbed... and to allow for sufficient time for the growbed to drain completely and have a (relatively) dry time for the roots to oxygenate between cycles....

It's also set that way because most of the available timers only allow 15 min adjustments...

Make sense??


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