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 Post subject: Struggling AP newbi
PostPosted: Dec 6th, '17, 01:22 
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Guys i need help please

I have an IBC system running for two month today, the fish seem happy (12 gold fish from 20cm to 5cm "sorry dont do the inch thing here")

Water test are good, but my PH is high, in the morning it is about 8 and in the afternoon 7.7. It looks brown but i presume it is from the algae on the side, the water itself are clean

Is the system still to new?

Also the plant dont seem happy, i am not sure why, i am including some pics, please help me

Hope the files show


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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 01:37 
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Put something around the fishtank for shade. The sunlight will stimulate algae growth and that can affect the pH and dissolved oxygen from morning to night. If the system is only 2 months old you may not have enough biological activity to provide the nutrients for the plants yet. Is the system cycled completely? Did you cycle with fish or without?

Test for ammonia, nitrite and nitrate. What is the current temperature? What do you feed them and how often?

You might improve things by adding some Maxcrop or Seasol product to provide some nutrients for the plants, but this could spike ammonia and nitrite too which will be bad for the fish.

Your best friends: Time and patience.

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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 01:46 
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dstjohn99 wrote:
Put something around the fishtank for shade. The sunlight will stimulate algae growth and that can affect the pH and dissolved oxygen from morning to night. If the system is only 2 months old you may not have enough biological activity to provide the nutrients for the plants yet. Is the system cycled completely? Did you cycle with fish or without?

Test for ammonia, nitrite and nitrate. What is the current temperature? What do you feed them and how often?

You might improve things by adding some Maxcrop or Seasol product to provide some nutrients for the plants, but this could spike ammonia and nitrite too which will be bad for the fish.

Your best friends: Time and patience.


Hi

Thank you, at the moment it is night here so i will update in the AM


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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 07:40 
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Growing beans in the first 6 months of a new AP system is not good as they require more nutrients and your grow beds haven't accumulated those yet. Plus legumes like beans mostly acquire nitrogen from air and if they have nitrogen available in the roots, they will be stunted and not grow well. For that reason, I don't like to grow nitrogen fixers in my system.

Try things like chard, lettuce, basil, spinach etc. things with large green leaves so that their sun utilization is better than a bean and they can suck up the nitrates from the water.

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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 08:07 
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Yes do something to stop the light getting in your tank through the sides and you will need a lid for your tank the fish only need a little bit of light .

Also screen the light on the sides of your growbeds , easiest option post build is Paint , also pallet timber can cover the outsides and looks nice .

The algae will rob most of your nutrients so it must be dealt with

What are you feeding your fish (goldfish flakes have very little to offer your plants)

Hi quality aquaculture feed will provide a lot more for building your nutrient base , however goldfish can get into trouble on this feed .

I describe Aquaponics a bit like building a vegetable patch in a gravel driveway it takes time to build a fully functional nutrient base

So yes patience and time are your friend and the one often missed is Experience if you start tipping stuff in your system you will end up like the dog that chases its tail , too much of one can lockup another , so gently goes and WAIT for new leaves to appear so you can read the reaction to what you have done .

If your going to use goldfish long term (very good fish for learning with , tough and forgiving) you will likely have to supplement your system to grow healthy plants , the common nutrients missing in start up systems are iron / potassium / magnesium / calcium .

Getting the balance right between fish load and plant type / numbers is the biggest challenge , Nitrate can easily spiral out of control .

Ive built enough systems from scratch now , I can generally get them sorted fairly quickly having said that I still have plenty of head scratching moments.

This is one part I like the challenge of building on slopes , working out the best shelter / light options , using what we have lying around , and working out whats going wrong its all good .

Short term
As above , tip a bit of seaweed based liquid "fertilizer" for want of a better term
Foliar spray your plants with "Iron Chelate" to help with iron lockout due to the high Ph
Deal with the Light / Algae issue
Grow leafy greens because they are easier (success builds confidence)
Fruiting crops need more complex nutrients

Long Term
Manage your Ph keep it about the unhappy middle of the road say 6.5 / 6.8 Ph
Manage your Nitrate levels (plant / fish load)
Use quality feed to provide nutrients for your plants use minimal supplements as required
Research what you want to grow and adjust nutrients to suit

Most important
Have Fun cheers

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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 16:47 
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Thank you for all the good advice, it is raining here so i can not get all the tests done at the moment, but thank you very much

I have a 80% shade cloth around the fish tank will double it up to block out the light complete

Terra: I will get rid of the Bean for now, i also have tomatoes in there must i rather get that out for now as well and just do the leafy greens at start?


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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 18:04 
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I would leave your tomatoes in , just don't be disappointed with how they go .

You don't have many fish

Do you have a Nitrate reading

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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 18:38 
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Terra wrote:
I would leave your tomatoes in , just don't be disappointed with how they go .

You don't have many fish

Do you have a Nitrate reading


Hi

lol i thought i might be to much for a new system, will look at getting some more

It just stopped raining so i can do some tests

I did check the tap water and its PH is 8.3

I will post the other test results later

Here is a pic of the feed, it is small pellets i got with the fish, presume it is koi/gold fish pellets


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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 6th, '17, 19:28 
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OK

Ammonia 0

Nitrite 0

Nitrate 0.5

Water temp
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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 7th, '17, 03:17 
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Terra mentioned one thing that is definitely needed and that is iron. I can tell that the new leaves are too light and have interveinal chlorosis which in new leaves is usually caused by either a shortage of iron or iron lockout. If you plan to add iron to the water you should probably see if you can get Fe-EDDHA since it works at high pH. Depending on what you find for the system pH Fe-DTPA might also work. You can also spray apply an iron solution and avoid the pH lockout issues you might get in the system water.


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 Post subject: Re: Struggling AP newbi
PostPosted: Dec 7th, '17, 16:54 
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Thank you for all the help, i bought some Fe-EDDHA and will update in the future


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