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Old 11-13-2007, 03:06 AM   #1 (permalink)
 
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Default New light system - plant help!

Hey everyone!

I have a 3 foot by 18 inch by 18 inch aquarium, with basic gravel, a couple of rocks and some driftwood. Its been set up for a year now, and i got bored of my plants and decided to increase my light. Initially i ran 60W for 12 hours, but today i added 96W, which i will run for 6 hours of the day on top of my 60W for 12 hours. I use a liquid fertilizer once a week, and my canister filter is an Ehiem 2215.

I have a couple of angel fish, a blue gourami, red phantom tetras, oddessa barbs and a few cellar dwellers.

I couldnt tell you the names of many of the plants currently in my tank, but i know there is a couple of swords, an annubius of some sort and some water sprite. Most of it will come out because i want to add different plants.

I have had a bit of a look on the net at what is available to me and i like the look of Hemianthus Micranthemoides (Pearl Grass), Microsorium Pteropus Windelov, Nympoides Aquatica and Riccia. But the reason i am on here is because i would like you to please suggest some plants that may grow successfully in my set up?

I realise CO2 is required for many plants, and good growth, however i cant install it for a few reasons.

Thanks for your help!
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Old 11-13-2007, 08:05 AM   #2 (permalink)
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Default Re: New light system - plant help!

You have a 50 gallon tank with 156 watts of light. You have to use CO2 or Excel if you use that much light. If you don't, several types of algae are very likely to become the features of your aquascape. If you just use the 96 watt light, and only keep it on for 8 - 10 hours a day, you might be able to keep low to moderate light demand plants growing without too much algae. Plants are made largely of carbon compounds, so they have to have a source of carbon to grow. If the rate of growth is slow enough they can use the CO2 that dissolves into the water from the air, plus some plants can use the carbonates in the water, and the substrate can provide a little carbon from breakdown of plant and fish waste. But, slow growth means not having high light intensity.
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Old 11-13-2007, 02:15 PM   #3 (permalink)
 
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Default Re: New light system - plant help!

What about a liquid carbon source? I dont know if you get SeaChem Flourish where you are, but this is what is says about Flourish Excel.

Flourish Excel™ is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be derived from simple organic compounds (such as photosynthetic intermediates). Therefore, one can derive a substantial benefit with the use of Flourish Excel™ either alone or in conjunction with CO2 injection. Flourish Excel™ also has iron reducing properties which promote the ferrous state of iron (Fe+2), which is more easily utilized by plants than ferric iron (Fe+3). Flourish Excel™ is an integral component of Seachem’s plant products and is recommended for use with the entire Flourish™ line as well as our Flourite™ and Onyx Sand™ substrates. Contains no phosphate or nitrate

This is not a fertilser, it is a simple source of carbon for use in the absence of carbon dioxide injection. Flourish Excel also enhances the plants ability to utilize iron and is therefore used in conjunction with a good iron based fertilser to make it work more efficiently for better plant growth.Please check on availability in this size- thanks.
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