01-26-2011, 02:08 PM
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Originally Posted by Aqua Jon
Ideally I want to establish an environment suited for plants going into the tank. These plants will be: Hemianthus callitrichoides (Dwarf Baby Tears), Eleocharis acicularis (Dwf. Hairgrass), Sagitaria subulata (Dwf. Sagitaria), lobelia cardinalis, and a small chance that cryptocoryne parva will join them. With these plants considered, a pH value around 7.0 would my best hope. Being no more than 7.4 and no less than 6.5. Consequentially the hardness value would be 8 or below in relation to pH.
In fact my water is very similar lorax84's. Tap water is near 8.0 but I cannot get an accurate results for hardness (testing liquid is old).
Tank info: 2.5 gallons with 13 watts of fluorescent above. Heater is static @ 78 F. No filter. Pea gravel substrate on the bottom layered with approximately a half inch of sand on top. Jungle root tabs spaced throughout substrate for nutrients.
Can you get the hardness for the tap water from your water people? Many have websites, but should be able to answer you regardless; what's in the water is public info.
This would help us to know what to expect, and fiddling with water chemistry in an aquarium is risky business unless it is carefully planned from the pertinent data. If you used distilled or RO water, you would have no hardness and the pH would lower fairly rapidly. Mixing with tap water will keep it balanced and buffered, but first we need the numbers.