Update on my tank - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 07-24-2005, 06:53 PM Thread Starter
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Update on my tank

Alright people, just thought I'd update my current condition to make sure I'm dooing this thing right...

After researching plants on this web site, I ripped out all my dying plants because they wernt growing very well and I was getting green water.
So here is what's going on on my second attempt at this whole plant thing.
On my 75 gallon tank, I've upgraded to 290 watts of light. (3x97 watt compacts). My sub-strate is just plain gravel with some flourish tabs pushed into the bottem. I'm using a DIY c02 system, with 3, two liter pop bottles hook up with a gang valve. I'm diffusing the co2 with a comercial "ladder" diffuser. I just bought test kits for ph, gh, kh, nitrate and phosphoris. I'm waiting for a shipment of ferts from greg watson, and I plan to does according to the "Rex Grigg" web-site.

The thing I'm worried about the most is my sub-strate. I don't have much money left after purchasing thoes compact lights, and If I can get away with just using gravel, it would same me lots of money. If I properly does my water collum with ferts, will that be sufficient to grow lush greren plants???
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post #2 of 5 (permalink) Old 07-24-2005, 07:11 PM
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Spending all the money on light and then having nothing left for anything else is a difficult approach. To be successful with 4W/gal efficient light over a big tank, you NEED pressurized CO2, a strict fertilizer dosing schedule, and lots and lots of plants. Sure you can use gravel as a substrate, as long as you do your water column fertilization and add some substrate fertilizer to plants that will thank you for it (Swords, Crypts, Lotus...) there is nothing fundamentally wrong with gravel.

(Looking into my crystal ball): I see you posting lots of questions in the algae section...


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post #3 of 5 (permalink) Old 07-24-2005, 07:16 PM
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I also worry about that much light with DIY CO2. Substrate is less of an issue, even plain gravel works fine with proper nutrient dosing. I would only use 50% of the light before saving up for a pressurized CO2 system.


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Flourite, wet/dry, AHSupply 302w PC, PinPoint controller

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15w T6+15w T8

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40w T6 ODNO4x, no CO2. Discus grow out.
10gallon Tonina tank, 2x15w T6 ODNO 4x
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I will do aquascapes after I collect all the plant species and grow them to perfection.
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post #4 of 5 (permalink) Old 07-24-2005, 08:11 PM Thread Starter
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hmmmmm... interesting, mabey ill only turn on 200 watts for the time being..

I've talked to someone else on this forum that has a 75 gallon tank and he usis a DIY co2 setup, with a micro bubler to diffuse the c02. He says that hes gets up to 25 ppm in a 75 gallon tank. I think if i do it properly, I might be able to get the same. I'm going to coppy his setup of 3, two liter bottels hooked up with a gang valve and see what kinda numbers I can get outta the settup.
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post #5 of 5 (permalink) Old 07-25-2005, 01:45 PM
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Be sure that if you go the DIY Co2 with 3 x 2liter bottles with that much light you make the bottles at 1 per week try and keep the co2 at its max output I tried this set up on my 75 gal with playsand substrate it worked, just took a lot of work on keeping the fert/co2 in balance. Plant growth was pretty good just keep in mind how things are set up when you purchase your plants (don't get High co2 demanding plants.) I stuck with a lot of swords. I no longer have this setup I now use press. Co2 500watts M/H lights 100% Flourite, under gravel heat, dry ferts. and tank is much easier to keep clear of algae. and now trying the E/a method I realized how much I was under dosing all this time I never saw plants pearl this much.
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