Just added sand, a few questions - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 17 Old 07-17-2012, 12:16 PM
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The Tetra stuff is no good, it only has:

Soluble Potash (K2O) 3.00% Iron (Fe) 0.19% Molybdenum (Mo) 0.0005%

Which isn't much.

It can wait for the weekend to check out Petsmart.

Are you sure you got ride of the MTS? They often number in the hundreds (they self-replicate) and often you don't see them during the day unless you really look for them. When the lights are on, they burrow down into the substrate for the most part.

For the lights, do they not fit at all, or are they just touching the reflector? Touching is fine.
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post #12 of 17 Old 07-17-2012, 12:42 PM
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Agree. The 10w CFL Daylight bulbs made by GE will just fit my 10g fixture. There is a narrower one, but I have not see it locally.

Also agree on the fertilizer. Flourish Comprehensive Supplement, or alternatively Brightwell Aquatics' FlorinMulti. These two have everything.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #13 of 17 Old 07-17-2012, 01:46 PM
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Cool.
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post #14 of 17 Old 07-17-2012, 02:08 PM
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sand substrate

How deep do you want a sand substrate to be and will plants root in sand better than gravel?

I just removed most of my new gravel and added black sand but it is not very deep. I have seen many pictures posted where the substrate is pretty shallow. how do the plants root in it if it is only 1/2 in or so deep?
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post #15 of 17 Old 07-17-2012, 04:01 PM
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Quote:
Originally Posted by grannyfish View Post
How deep do you want a sand substrate to be and will plants root in sand better than gravel?

I just removed most of my new gravel and added black sand but it is not very deep. I have seen many pictures posted where the substrate is pretty shallow. how do the plants root in it if it is only 1/2 in or so deep?
Most plants will root in either sand or fine gravel. Some will do better in sand, thinking here especially of so-called carpet plants which are very small with very fine roots and these find it more difficult in coarser substrates. Some plants have some difficulty, or do less well, in larger-sized gravel, like pea gravel or birdseye. But there is more to this than just "taking hold," there is also the critical issue of organics and bacteria and nutrients. Too coarse a substrate and the water flows through it too quickly, not allowing roots to take up nutrients, making it more difficult for waste to be broken down, etc.

When we look at natural habitats of aquarium plants, we find a majority grow in a mix of clay and sand which is quite a compact material mix. Of course, in nature all this biology behaves differently than it will in a close aquarium system, where compaction can kill the plants and fish. There has to be a balance.

To the depth, this depends upon the plants. I have some large swords, Echinodorus cordifolius and Echinodorus bleherae, and these have immense root systems that extend many inches beyond the crown, and down through the depth. Even so, the depth of the sand in my tank with these plants is no more than 2 to 3 inches. If the sand is only 1/2 inch deep, all but the smallest plants will have difficulty. Most of us tend to have a shallow depth in front, maybe 1 inch, sloped or terraced up deeper in the back where the larger plants will naturally be planted.

You might find this article on bacteria informative, as it goes into the substrate issue:
http://www.tropicalfishkeeping.com/f...quarium-74891/

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #16 of 17 Old 07-19-2012, 11:26 AM Thread Starter
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The other cfl I had in there touched the sides a bit, but these don't fit at all! They were something crazy like 25w though, so I knew I'd have to get something else anyway.

I haven't seen any snails for the past couple years, and I didn't see any on the sides or bottom of the tank when I drained it, unfortunately.

Looks like I have another shopping list for the weekend! Thanks so much for pointing me in the right direction!
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post #17 of 17 Old 07-19-2012, 11:32 AM
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The tank looks great with sand!

-Kristen's tanks:

14g Tall:
Planted, eco-complete, Red Cherry Shrimp

16g Aqueon Bowfront:
Planted, eco-complete, 8 Ember tetras, 7 Green neon tetras, 6 Harlequin Rasboras

36 Aqueon Bowfront: Planted, sand, 10 Julii cories, 8 Zebra Danios
7 Cherry Barbs, Asst snails & Ghost shrimp
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