03-11-2012, 11:21 AM
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Originally Posted by pche
Ahh i see, my tank is 95g and i have a 3 ft long blue fluorescent light + some natural light. Also is there any good fertiliser i should use? I have read that some people put a layer of fertilizer underneath their sand in the tank and that helps? I would prefer not to do that but if i need to i will. And one last question, how thick should i lay the sand down to allow the plants to grow?
Thanks a lot for your help!
Using a layer of some type of enriched substrate is not necessary, there are pros and cons. One point is that with a top layer of sand, the sand would work its way down to the bottom if the substance was larger-grained, as most of these tend to be. So I would suggest staying with just playsand.
A depth of 2 inches throughout the tank is adequate. You can deepen it at the back in places where larger plants would naturally be planted, using rocks or wood to build it up a bit. And it can be shallower along the front, say 1 to 1.5 inches max.
Depending upon the type of plants, substrate fertilizer tabs can be used; these are useful with larger swords, crypts and aponogeton. But here again, they are not "necessary." A good complete liquid fertilizer is usually sufficient, and this by going into the water will benefit all plants--substrate rooted (the water must percolate through the substrate naturally), plants on wood or rock (Anubias, moss, fern) and floating plants. I use Seachem's Flourish Comprehensive Supplement. Another that I have not tried (yet) but which I believe is identical is Brightwell Aquatics' FlorinMulti.