Hydro setup
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Thread: Hydro setup

  1. #1
    to destruction & beyond ! davethetester's Avatar
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    Hydro setup

    Further to the discussions in the bioload thread I think I might give the following setup a try - soz for the drawing.

    DWC is a hydroponic growth technique where the plant is held in as little growing media as possible.

    I intend to use 1 or 2 chambers (not sure yet). The water is dripped in at the top of the chamber and allowed to "run" down the roots. The roots themselves as the plant grows will find their way to the bottom of the chamber where water is allowed to collect to a depth of 3" or so, governed by the height of the primary return pipe, and highly airated. The airation serves 2 purposes as it both provides air to the roots in the water but also creates alot of surface disturbance to assist with keeping the humidity as high a poss inside the chamber.

    As a safety precaution I will stand the chambers in overflow trays themselves piped to return any overflow to tank.

    The tank and shelf unit already exist (my PC room tank). I will have to empty the shelf above the tank as it's full of junk at present.

    BTW the drawing is not to scale

    Any thoughts ?
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  3. #2
    Registered User 2manytanks's Avatar
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    just dont let the cops catch you dave
    2manytanks, doesn`t post enough to be a mod

  4. #3
    to destruction & beyond ! davethetester's Avatar
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    I knew that was coming but kb seems to be getting away with it so I thought why not ...?

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    Been here a long time kingborris's Avatar
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    glad to see my crazy hydroponic ideas are permeating the board

    so what are you going to grow?

  7. #5
    to destruction & beyond ! davethetester's Avatar
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    The easiest & cheapest to start out with would be spider plants. Next year, if poss, I think I'll try my old favourites, tomatos, should be OK on a windowsill light wise and I know I can grow them hydro

    The main worry I have with toms is getting the pH low enough to achieve efficient nutrient uptake. The tank in question is running at present at about 7.4 with CO2. I have had it my mind to invest in an RO filter so maybe nows the time.

    I also know alot of lettuce is grown hydro in Spain so that's a possility.

    Any suggestions welcome.

  8. #6
    to destruction & beyond ! davethetester's Avatar
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    OK here's the trial lash up.

    Its a mop bucket with a water butt tap fitted at the depth of retained water.

    Water is pumped from the tank to the "squeezy out" bit of the mop bucket. This is where the growing medium and plants will be situated.

    Water is then returned to tank via the waterbutt tap and hose. Simple.

    No plants as of yet due to some teething troubles. The only powerhead I have is a maxijet 750 which even at the head you can see in the pic is pumping more than the return can handle Does any1 know if you can adjust the flow rate on this powerhead & if so how ?

    I think that a pump would prob be better and suprisingly Eheim seem v. reasonable. I was thinking of getting an Eheim Compact Pump 300 as shown here

    http://www.aquatics-online.co.uk/Z311071.asp

    any1 had experience of these pumps ?

    As usual all comments welcome.
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  9. #7
    Been here a long time kingborris's Avatar
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    i have an eheim compact 600. excellent pump. variable output and totally reliable. quiet too. i would guess the 300 is the same but smaller

  10. #8
    to destruction & beyond ! davethetester's Avatar
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    Cheers kb ..... best get 1 ordered.

  11. #9
    to destruction & beyond ! davethetester's Avatar
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    kb. How low can you reduce the flow on your eheim compact ? It just strikes me I would be better off to get a bigger 1 and turn it down for now thus allowing for future expansion

    TIA

  12. #10
    Been here a long time kingborris's Avatar
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    cant remember off the top of my head. I have a check when i get home later

  13. #11
    to destruction & beyond ! davethetester's Avatar
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    Thanks mate but I just noticed it tells you on the aquatics online page

  14. #12
    "Cheeeeeese!" Fishing_Rod's Avatar
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    I saw a page on t'internet that was doing something similar that had a good description of the setup with photos. I can't find it now though

  15. #13
    to destruction & beyond ! davethetester's Avatar
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    Here she is up & running.

    I came across a sera 400l/hr pump at my LFS so I went with that being highly impatient.
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  16. #14
    to destruction & beyond ! davethetester's Avatar
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    As you see the pipe work needs tidying up but it's fitted with an overflow so we'll see how it goes. Just running 1 pot with spider plants at the mo.
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  17. #15
    to destruction & beyond ! davethetester's Avatar
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    Here's a look in the mop bucket ..... oh how interesting dave
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