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Getting Ready to flood my tank

Discussion in 'General Plant Topics' started by mike, Aug 29, 2012.

  1. mike

    mike Guru Class Expert

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    Hi all, I had posed this in another thread but got no responces. I'm hoping to have a few questions answered before I add water.

    I'm at the 9th week of my dry start and I will be flooding my tank, possibly this weekend, and I want to confirm a few things in order to avoid any problems.

    To start I will not be putting any fish in the tank for about 3 to 4 weeks. Until I put fish in the tank I will be keeping the CO2 above 50ppm by using a 5dkh solution and making sure it’s always yellow, in fact even aiming for it to be yellow before the lights come on.

    I will be adding Excel, about ½ the dose, 30 minutes before lights on. I will have some Vals in the tank, should I worry about them melting with the Excel that I will be adding?

    It’s my understanding with a soil substraight there will still be high levels of micros and macros even after an 8 week dry start and that I should be doing an 80% water change every 2nd or 3rd day for about 2 weeks. During this time should I be dosing anything in terms of micros or macros?

    I have also read that during the first 2 weeks I should slowly ramp up my lighting from a 3 hour lighting period to an 8 hour period. Is this correct?

    When I start dosing I will be dosing the following.

    I will make a 500ml macro solution of the following and dosing 50mls of it 3x a week:
    57.86g of KNO3 to give me about 7.5ppm of NO3 for each 50ml dose
    6.78 of KH2PO4 to give me about 1ppm of PO4 for each 50ml dose

    I will also make a 500ml micro solution and dose 50mls 3 x a week:
    36.23g of CSM+B will give me about .5ppm of iron for each 50ml dose

    Please let me know if I should be adding more or less of the above. Also, what is the best way to prevent mold from developing in the micro and macro bottles? I have heard of people using Excel but how much do I put?

    Thank you for any help you can give.

    Mike
     
  2. jerrybforl

    jerrybforl Lifetime Members
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    I haven't really done this before, so I can't really help. What I can tell you is that much of excel shouldn't hurt your plants. If you are going to keep your CO2 that high, why would you add the excel? I would just go with the high CO2 before you add fish and not worry about excel unless you have a bba problem.

    How big is the tank? I would imagine you need to dose the tank. Which substrate did you use? Unless its ADA stuff or something of that sort, I would dose ferts. Florite is inert and Eco complete, to my understanding, has a small amount of ferts in it.

    So answering those two questions will give us a better understanding of what you're looking for.

    One more thing, most on here don't use drop checkers anymore. They are too unreliable and vary. Use a pH meter to check to see how low it goes. If you are in the 6.2-6.6 range, I'd say you are ok with CO2. You can also use your CO2 and KH to cross reference how high your ppm of CO2. There is a chart for that.

    Here is a link for that.... http://www.aquariumslife.com/aquascaping/fertilizers-and-co2/aquarium_co2_tes/

    Hope this helps
     
  3. mike

    mike Guru Class Expert

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    Hi Jerry,

    I should have added the link to my original thread which had my tank parameters (http://www.barrreport.com/showthread.php/10327-My-125G-Build-Finally-started)

    It's a 125G tank with soil substraight capped with black sand. I have heard that with the soil the micros and macros can be quite high even after an 8 week dry start.

    The lighting is a combination of 2 x 54W T5HOs (one in the front and one in the back on is going left to right and the other right to left) and 2 36 inch fixtures down the middle (1 is a dual 39W T5HO and the other is a 96W CF from AHS). The plan is to have the ones down the middle on for no more than 4 to 5 hours a day and the ones in the front and back will be on for about 8 hours. I'm wondering though if I should slowly ramp up the lighting starting with 3 hours and work my way up to my 8 hour goal?

    Thank you for the drop checker info. I will look into getting a PH meter. I have an existing 33G with pressurized CO2 that normally has a PH of 6.4.

    Mike
     
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