Outdoor gravel and smoothed stones can be collected in the great outdoors. I realized this is not what you are talking about here, but what "type" of rocks are dangerous. Mimi, I think the hardness will not increase if it is already hard and there are other limestone rocks already in the tank. I bought some stones from the gift shop, Texas Treasures. Carefully consider your options and then make a … But you can't just put any type of rocks/gravel in your tank; make sure it is aquarium (fish) safe. Aquarium stones add accent and interest. It gets broken and then slowly rounded off and etched by abrasion in the sand and sediments of the ocean. Similar to the 75-gallon aquarium, this all comes down to total weight, which can vary depending on your setup. ... Lv 7. Please leave me a comment. African cichlids need many hiding places, and the more rocks you have, the better the cichlids will get along. Once the inside glass is clean, remove rocks, artificial plants, and decorations that have significant algae growth or are noticeably dirty.Do not clean them with soap or detergents. Of course you can’t just add any rock to an aquarium, and you need to take many factors into consideration before adding new rocks to a fish tank. Rocks are heavy, and aquarium glass isn’t particularly strong. When looking for fish to add to your tank, you can sometimes get lost in the amount of freshwater varieties there are, but other times you’re looking for a fish to fill a particular role. Not intruding on your Blog Mj, but another couple very common and acceptable rocks for your aquarium are Lace rock and Texas holey rock. its in my little 10 gallon. Sea glass is very safe, it’s been ’sanded’, which changes the texture but the glass itself will be the same as it was when it was new. So... what do you think? I see people with Tera cotta pots in their freshwater tanks...what about grey pottery clay? The rest of the story: Glass that is scratched lightly can be repaired. Uneaten food, fish waste, and plant debris raise the ammonia, nitrite, and nitrate levels of the tank … is it okay to put fluorite in a fish tank. Like call, it had it’s ups and downs. Just try to dull any sharp edges with a file or something. It’s been bonded with titanium and magnesium... Amethyst is safe if just amethyst. If there is a significant increase, these rocks or gravel will cause problems in your aquarium. some fish wont breed if they dont fee the can find a safe place… a stressed out fish is not a happy fish. I do not wish to harm my fish in any way. Also curious about opal. So, this is exactly what I was looking for. Do you have any info on using prehrite in an aquascape? What you'll want to do is put sand or fine gravel down first and then place your large rocks on top of the layer. could i use slate rock found at a hardware store and put that in my fish tank? But before testing, make sure to also wash the stones thoroughly to remove all loose grit and contaminants. Perhaps it will be too late to matter but, Obsidian is quite safe. yes ive seen it used also but ive had i in my tank i had great water parameters and i put it in and in 3 days my fish were dead so i wouldnt use that sry i should of ncluded that in the not to use portion. Terrible Advice Tuesdays (T.A.Tues): Scratches in a glass aquarium can never be repaired. Some rocks make the water hard, some dissolve, and some are inert. Very pretty my betta is spoiled XD. I am hoping to buy black ones and use in my tank since my … Another way of testing rocks and gravel is to place the washed stones in a bucket, fully submerged in a small amount of the water you use in your aquarium. Good information. It is not usual to have live plants in a cichlid aquarium, but many other fish do enjoy munching down on fresh plant life, so do your research on what fish likes to eat what diet. So long as you dull down any dangerously sharp edges, Obsidian is ok. Nevertheless, it is always better to test. Certain rocks may … Also i putsome agate in there and my levels shot up. It already has two quartz in it but i wanted to add my fossils and obsidian in. Hey there! For instance, if you put driftwood in an African cichlid tank… Only thing to watch for. I. ], via Wikimedia Commons. It looks like a cement conglomorate rock. !i do beleve hes got the power of love flowing in that tank,.GOOD STUFF!! I bought these rocks for my 10 gallon fish tank and wanted to give a quick review on them. Informative. Petrified wood is very expensive, and rare, for large pieces. What do you think about lava rock? 0 0. Cleaning Decorations and Rocks . I might of been some kind of dye in it? Thank you....I was thinking it was toxic or had high mineral content which would leach into the tank....Is there any clay that could be used in aquariums? People often make such mistakes when they put the rocks into the aquarium. Now I have only 5 fish, left that I so struggling to survive. Also keep the water clean and the chemistry and temperature right; along with safe and nutritious foods, and fish can live longer. and any other tank decorations with warm water. Even if your gravel says “pre-washed,” you should still wash it before adding it to your fish tank. I dont know much about rocks but i recognized most of the names. One of the biggest mistakes that people make when adding rocks to their fish tank is to pile them up against the glass. I’m wondering though, the amethyst, is that raw ametheyst or could I use polished? Thanks this was very helpful - based on this I am going to add black onyx and rose quartz to my aquarium, What about river rocks, found in running creeks. When your fish tank heater is set up inside the aquarium, ensure that your fish can’t get caught between the heater and something else. There is a long list of safe and unsafe rocks so I’m going to get right into it. Can I Put a 125 Gallon Aquarium Upstairs? I have quartz and agate in mine but I have a collection of minerals so I will try other rocks as well, especially mineralised wood. Curious as to coal??? When stocking a 5-gallon fish tank, you have to consider how many fish you put into the tank and how big the fish will be when they are fully grown. Thanks. I read that kyanite cannot go into aquariums. How about porcelain? That was after soaking it for a month prior. Remember, I can’t list them all. Sometimes to get rid of calcium buildup and crusted-on algae that forms on rocks and decorations, you need to use an aquarium safe cleaning product. The chemical reaction you are seeing indicates that the stone contains calcium. Use lava rocks to give small fish places to hide or just to give yur aquarium some atmoshpere. Appreciate your info and your time, You can use Emeralds for your next substrate. I have a porous rock with tiny shiny scales that the pet shop was using in an aquarium, although not sure if it’s actually safe to use, as It’s the first time I’ve seen one like it in an aquarium. There are a lot of rocks to avoid in the fresh water aquarium, these include - Ores (rocks containing metal) & Calcareous (rocks containing Calcium) these shouldn't generally be used for fresh water tanks. I also added wood meant for aquariums. I use Marble rocks in three of my large tanks. I bread 4 types of fish in my tank. ... all i know so far is to be careful of copper. This is very informative. Many fish shops sell plastic toys, like Nemo or SpongeBob, to include in your tank. Wondering if pudding rock is on the no no list? Never pile the lava rocks in the aquarium against the glass as they are not strong enough to handle the wights of rocks. However, using your own gravel or stones in the bottom of the aquarium comes with some inherent risks if you don't … This prevents the large rock from scratching or cracking the tank due to a sharp … Anyone know if desert rose is aquarium safe? Use a colander to rinse the gravel and rocks until the water runs through clear and free of debris. A typical 125-gallon aquarium and stand, with all rocks … Mainly you want to be sure there’s no algae or oily contaminants on them, and you should not use soap. There are alot of items you can find at the home depot that can be used in an aquarium. But I would not use clay. Aquarium substrate is largely up to you. Best Safe Saltwater Aquarium Rocks. Is there any effect of using marble rocks in an aquarium? It changes them into less harmful nitrate, which is then removed during water changes. Other authorities, however, believe that using collected gravel and stones is acceptable, provided you follow instructions on how to test them to rule out hazardous components. In a saltwater tank. It is fired at a higher degrees. I would like to make a cave of thin and flat quartzite stones like this. Make sure that you have already cleaned the rocks - usually a rinse with hot water is fine. Thanks for the info! no absolutely do not!!! Can I Put a 125 Gallon Aquarium Upstairs? This is why porcelain tiles are stronger and better than ceramic clay tiles. Charlotte, you need to post this on the Forum to get answers. Get it free when you sign up for the Spruce Pets! I took river rocks from around our home, cleaned them and created an awesome cave for my tank. For this reason it is listed on the not to use list. 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