-My aquarium is around 40 cm x 40 cm (square shape) and has a height of around 20cm
-I have a water filter
-I dont need a heater because I have a thermometer and it shows me the water degree which is usually around 27-28 C
- My RES is around 8-9 months old and is about 9-10cm
- I feed him veggies, dry shrimps etc.

I want to know what kind of UV lighting is required for my RES. The Walt, type etc.

Thanks in advance

P.S. Advice and suggestions are highly appreciated. I dont wanna buy something off ebay without knowing for sure what I need is right.
I went to that website you gave me there buddy but I couldnt find anything related to turtles. Give me the full link about RES if you know of any. Thanks
compact uv bulb, but what about the walt? i dont want to burn my RES by getting something too strong for him.




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What is the temperature for cold tap water?




I need the temperature for cold tap water in Georgia. I can’t measure it cause my thermometer is broken and I need to know by tomorrow. If you can’t give me the temperature for Georgia cold tap water, maybe just an average of cold tap water?

Any help is appreciated.




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A 50g thermometer is used to measure the temperature of 180 mL of water. The specific heat of the thermometer, which is mostly glass, is 750 J/kg K, and it reads 18.0 degree C while lying on the table. After being completely immersed in the water, the thermometer’s reading stabilizes at 75.1 degrees C. What was the actual water temperature before it was measured?




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A 50g thermometer is used to measure the temperature of 180 mL of water. The specific heat of the thermometer, which is mostly glass, is 750 J/kg K, and it reads 18.0 degrees C while lying on the table. After being completely immersed in the water, the thermometer’s reading stabilizes at 75.1 degrees C. What was the actual water temperature before it was measured?




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A 50 g thermometer is used to measure the temperature of 180 mL of water. The specific heat of the thermometer, which is mostly glass, is 750 J/kg K, and it reads 18.0 degrees C while lying on the table. After being completely immersed in the water, the thermometer’s reading stabilizes at 75.1 degrees C. What was the actual water temperature before it was measured in C?




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Ok, i have a 10 gallon tank with heater, slightly high ph (well, really at the highest amount for a beta and tetras-7.4), a thermometer, a filter, 1 beta, and 4 (well, NOW four) neon tetras. 2 days ago, i bought 5 neon tetras. they were to go with my beta that i currently had in the 10 gallon tank. the water is pure, i clean it approx. every 4-5 days. when i first got my tetras and put them in, they were fine. yesterday, i noticed the beta was sometimes swiming right next to them, but they were out in the open and he was "stalking" in the plants. occasionally they would swim together in the open, so i figured it was ok. half the time, this one neon tetra (he was a tad longer and slimer than the others, and had more potent coloring) would separate from the others, sometimes swiming side by side with the beta. this morning, i was feeding my fish when i realized only 4 were swiming around in the tank. i couldn’t find the last one! my mom went fishing around the tank with her hand when…
…she accedentally uprooted two plants. when she was re-planting them. she saw a tetra floating around with no tail at the surface. my little "rebel" was dead! he must of been held down by the plants. he definetely wasn’t floating b4. non the less, we think the beta bit off his tail. now, the other fish always stay in a school, but occasionally separate. ever since, ive noticed they are a more aggressive. the beta is always "stalking" in the plants, though it looks as if he is looking for food. but, just now i saw he looked for food right beneath the tetras, and i tapped the tank so that the tetras would see him. then he tried to take a little nip out of them one, but he got away. i really want my fish to stay safe, what should i do???

p.s. i also got these fish from petco, so i still have a warently on the 5 tetras if i should by new to keep the quantity high. thx!
i let my tank go through the cycles and all that already.
oh and also, for the part of the question saying what is wrong with my fish, my beta has this large lump (about the size of his head) right behind his gills.
did i forget to say the dead neon had NO TAIL!!! (when he was found dead , of course.)
im still waiting for answers…desperately!




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Hello all, I received a 46 gallon tank for Christmas (I have always wanted one). I have gotten off to a horrible start, here is my story.

I set everything up, and let it all circulate for about a day. I had planned on doing a fishless cycle. So, I read up on using ammonia and made sure that I did not buy any ammonia containing detergents. I went to Stop&Shop to purchase ammonia. I picked up "Pure Power Clear Ammonia". I was sure it was 100% pure ammonia, but boy was I wrong. I put a small dosage into my tank (this is before I knew the ammonia was bad). The next morning, I realized that my water surface was very soapy looking. I read the ingredients of the ammonia, and it listed SURFACTANT. Oh no. I looked it up. Turns out you are not supposed to use ammonia with surfactant in it!!! I wish I had known!.

I emptied my entire tank. I trashed the gravel and plants, as well as filter media and bio-wheel because it’d only cost me around 70 bucks to replace. I rinsed out the tank several times, and I also sprayed and wiped each side of the glass with water many times. I rinsed the rock with a hose over and over. After that, I cleaned out the entire filter, thermometer and heater. I filled my tank back up with water and water only. I ran the filter, but with no media or bio-wheel for fear of contamination. I began to test the rock in heated water. I left i over night, plus three more hours upon waking. There was no sign of soap. So, I emptied the tank and added allll my new stuff. This morning, I see….soap. Oh no.

My tank seems to be contaminated yet again, most likely from the large fake rock. I am very upset and am only 15 years old so my budget is pretty slim, and I already spent a lot of money on gravel and plants and stuff. Is there anything I can do to rid my tank of this surfactant, without having to empty it out again, rinse or buy new things? Sorry for the length, but I really am stumped on what to do.

Thank you
I didn’t use ammonia to clean the tank…I used it to start the cycle




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