I have pieces of turquoise rocks I collected on a friend’s land. I get very little algae, and I do mean very little, and I do not have to clean tank as often. Thanks for the info! Lava rock also helps retain water and create a good structure when part of a Bonsai substrate. What do you think about lava rock? I bought some stones from the gift shop, Texas Treasures. Stone Colour: Beige / Light Brown Coverage: 8kg of 10-14mm pumice will cover approximately 3/4m 2 at 20mm depth. It’s been bonded with titanium and magnesium... Amethyst is safe if just amethyst. The darker the piece the more hazardous it could be in an aquarium. Pumice is very similar, but I think the Seachem Matrix is better sized for aquarium use, having a more uniform size to the rocks. well then im rich. Roots can't grow into the Lava rock. I set up the tank and left it for a day and the water turned pink. It is fired at a higher degrees. Lava rocks belong to scoria type. I placed some in my tank. 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. Thanks Kingfisher, ill try out the rocks in my tank and watch my fish for a bit. It is pretty much just carbon, like a piece of driftwood. I heard you shouldn’t use amathyst with fish. So long as you dull down any dangerously sharp edges, Obsidian is ok. lava rock sharps bad. Mjrkiller308 is you might want to consider building a tumbler to do the job. Crystalline Quartz (Rock Crystal, Amethyst, Citrine, Rose Quartz, Smokey Quartz). Short statements good. dusty and bad. Lots of plants and places to hide have given new fry places to hide and its neat to see young ones now big enough coming out to feed with the adults. Provided the rock itself is safe. yeah i could but for now im leaving it the way it is i dont hve much time to go on mac a i did b4 but when i get time im going to add more ocks and a better layout thanxfor the suggestions mgf and @ tanner if you dug it up then it may be real but r u sure its jade bro if it is real chinese jade then u got a real prize on ur hands and it will make u real rich. i do smash it up for bio filter media, though its a pain to get it tiny enough for my aquarium. Mimi, I think the hardness will not increase if it is already hard and there are other limestone rocks already in the tank. Most sea glass is old bottle glass, some of it can be truly ancient glass. This item POPETPOP Aquarium Pumice Stone Floating Rock Natural Pumice Aquarium Fish Tank View Landscaping Decoration 10cm 4pcs Natural Slate Stone -1 to 3 inch Rocks for Miniature or Fairy Garden, Aquarium, Model Railroad & Wargaming (2) Decorations are so expensive I may try something like you did. time consuming. I have no knowledge as to what this surrounding mineral is or if it will be reactive in an aquarium setting. Do you know if polished amethyst is safe? I'm not sure how'd you crush it, or how you'd clean it enough to get the dust out of the pores.. lava rock sharps bad. If the parameters change considerably, we'd advise against using the rock in question in your aquarium. You can see where little pockets of air had been. The pores in a pumice stone are formed much like the holes in Swiss cheese. I think eco complete comes from more than standard lava found at home improvement stores cause it has metallic pieces , but worth a shot I guess. Good information. Great article, very helpful. You can divide your list into two kinds of stones - porous and not porous. i like to find my own driftwood too. Limestone will cause your water parameters to change (limestone mostly affects the PH and Hardness levels). so far it looks great and seems to have washed clear under the tap. I used to have lava rocks in some aquariums, but now they all have driftwood. ... how do i show you pictures to help me identify my stuff. Much appreciated. what type of rocks are these? Go up to the top of page and use Post or, the red circle with the pencil in it. I would not use grey clay in aquariums. it way to kewl to sell. The are two main reasons I'm doing this way. And if so, how would you recommend that I clean them? With an assortment of filter media out there in the pond world from filter pads to bio-ribbon to lava rocks to bio balls. So if i put limestone in already hard water will it increase it even more or just do nothing? It leeches acid and drops your pH to dangerous levels. Thank you for taking the time and effort to post this list of safe vs. not safe rocks for aquarium use. its in my little 10 gallon. Charlotte, you need to post this on the Forum to get answers. Pumice is actually a kind of glass and not a mixture of minerals. Our stones are products of a rare volcanic occurrence, formed by a molten lava explosion 40,000 years ago which released gasses to create the distinctive spongy texture of Featherock. i might just save up for my eco complete. Good info - nonporous minerals can indeed add beauty to aquariums. na it cant be jade it just looks similar to jade. I ask because turquoise from the American southwest in particular usually appears along with copper based ores. You can’t expect everyone here on this site to speak English as fluently as others. yes, it sure is tough to break. The rock was well seeded and did extremely. but isnt lava rockfrom old lava being dryed i believe by water like oceans or rivers or lakes it flows into, cuz wheni was in hawaii in 06′ there was alot of lavarock forations on north shore and by waikiki.but it may come from mines too idk much aboutthis rock so but no prob by he way bro. Where are located that its 63 bucks a bag? By clicking 'Submit' or otherwise submitting this form you agree to the, By entering this site you declare it’s not safe. If your water parameters are fine, DON’T use this rock! Place the rock in the bucket and let it soak for a week, then test the water again. Do you think any of the growstone has material that would leech ? Boulders, planters, gravel, and more… Featherock is the trademark name for a lightweight, natural volcanic stone called pumice. The environment outside of the volcano causes chemical changes within the rock. If you are loking for a rock with holes in it, lava rocks for the bottom of the tank, or white sand, Firerocks.biz has your rock. Is it safe to buy a fish from a tank that has a dead fish in it? Thank you. The Pros and Cons of Lava Rock As Mulch. Like call, it had it’s ups and downs. Very helpful. You can easily clean plastic stones along with your silk plants. Also i putsome agate in there and my levels shot up. Both sandstone and limestone are sedimentary rocks that were formed without a great deal of compression, thus allowing for their high levels of permeability. 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. AMAZON!!!! I have located several slices that have a very hard, lacy, creamy edge which will take on the appearance of foamy sand at the waters edge. I appreciated the articles on rocks, those are thing we new tank owners wouldn’t even think about. I buy the bag of white Marble rocks at homedepot and wash before putting in tanks. Just try to dull any sharp edges with a file or something. I sculpt with grey clay if you are speaking of sculpting clay, and it is toxic. ... I’ve spent hours boiling all of them over and over. Lava Rock which is formed from the intense heat of volcanos has many hidden benefits for the aquarium that many hobbyists are not even aware of. level 2. i dont think its real jad but it looks kewl its about 3 inches tall and 2.5 inches whide. Sandstone - A lot of people will say it’s safe, but it is, and it isn’t. pain in ass. It gets broken and then slowly rounded off and etched by abrasion in the sand and sediments of the ocean. Not intruding on your Blog Mj, but another couple very common and acceptable rocks for your aquarium are Lace rock and Texas holey rock. By Didier Descouens (Own work) [CC BY-SA 4. This rock is so light, that many pumice rocks will actually float in water, so it may not be suitable for aquariums. 1. I’m wondering though, the amethyst, is that raw ametheyst or could I use polished? It hasn’t had any affect on my fish. And both will scratch glass easy. When used in a Bonsai soil mix it helps to retain water and allows the roots to ramify very well. They are so shiny:). i will post pictures once i have made enough lava rock substrate (with hammer) for my 5gallon. My mom lives in a town where they mine it, so I could get either/or. If so can I use growstone instead. I had run a salt water reef tank from the 80’s into the 90’s. Plastic rocks are available in beautiful gemstone colors; and do not affect pH, and are not toxic to fish. Contains chelated iron which is used to fertilise plants; Quartz - can be sharp and does not age well in aquariums; Onyx; Pumice - not a real stone, actually glass, and may float due to being very porous - do not roast or boil! They also dont affect the pH either. Any very coarse rock can potentially damage some fish, by abrading the skin if the fish comes into close contact with it. LAVA ROCK , POROUS STONE: These stones are natural aggregates of lava of volcanic origin and therefore very light because they are exceptionally very porous. Curious as to coal??? I bread 4 types of fish in my tank. Nevertheless, it is always better to test. The Russian botryoidal malachite sliced and polished is beautiful if a thin enough slice and stood in front of a light source. It’s an extremely porous rock that is formed during explosive volcanic eruptions. I learned it was toxic in sculpting class. There are a few pink stones that look bright in there. Is Pumice a type of lava rock because I can get lava rock for $4.00 at a store near me? If you are loking for a rock with holes in it, lava rocks for the bottom of the tank, or white sand, Firerocks.biz has your rock. I put a quartz crystal in the bottom and it looks gorgeous. To mimireco: yes I do have pics of that rock cave and would be happy to send to u. I’m going to try putting pics on this site but u can and I can send directly to you. I haven’t had any problems. Lava rocks are decorative and natural. Is genuine agate ok to put in a freshwater aquarium with a betta? 1st one could rip fish’s fins. and thats the cheapest around! This 100 percent natural pumice stone is made with pure volcanic lava (hence the dark color), and it's v effective at getting rid of the toughest of calluses. They are brightly colored, smooth stones and I thought they would be beautiful in a beta tank. One side polished. But I would not use clay. 5 points ... the price we pay for things in australia. Silk plants are best for fish as they do not harm fins; and fish love to hide, rest, and sleep on the silk leaves. I have fired porcelain nick nacks in my aquariums, and no problem. Silk plants are also are less complicated to care for then live plants; if you less time and energy than necessary to maintain a complex aquarium environment. I appreciate your short & to the point perfect analysis.... Hello, i recently put two rocks in my aquarium we had outside. So amythist is safe for a fish tank right ? Quartz- This is the non-crystalized version of quartz, which is cheaper and easier to find. This is great information. I have a 3ft piece in my 150 gallon right now, but only because my water pH is always low. Can you answer to this? The pumice is due to molten lava and volcano eruption condensation with the porosity of the glassy lava, the pore volume accounted for more than 50% of the volume of rock. I’ve seen it for sale in aquarium shops, but it’s very porous. Since i can’t know what might effect the parameters, i just decided it wasn’t worth the risk. I’m sure someone can help ID it. Then test and record the pH, hardness, nitrate and phosphate. Granite, from my experience is not safe. A layer of mulch, whether organic or inorganic, gives your landscape an attractive, finished look. Only thing to watch for. Its reaction to air and extreme heat then creates a froth that then becomes a felsic rock. find gravel in a creek is better. And for the obsidian im still not sure if its fine but i can always look elsewhere. I have petrifed wood in my tank! Let's take a look at the lava rock versus bioballs debate. Are these pure turquoise stones or are they mixed in with other rock ? Mike, if you use Spring bottle water, it has a low PH anyway. That is the rock removed during copper mining. Osis i did my friend but i also said like you it will alter the ph and i also said its not all bad. dusty and bad. I just bought my little grans a beta this afternoon, the water is declorinating as I type. They have also been extinct in the whole northern hemisphere. However, it is worth it for what you can do with it. So, adding lava rocks is definitely going to help you and your aquarium in many ways. about a year ago I bought 6 bags for 16 bucks a piece.... New comments cannot be posted and votes cannot be cast, More posts from the PlantedTank community. That is an awesome list...if you add to your quartz area it would help others... varieties of quartz include agate, jasper, chalcedony, adventurene, and some others...like amethyst. There are more rocks that can and can’t be used but it’s impossible to list them all here. It doesn’t seem to be hurting them. There are alot of items you can find at the home depot that can be used in an aquarium. Been wondering about which rocks I can use. Cant prove it but I think that besides the basic porous surface that lava rock provides, there is organic interactions that take place between the mineral molecules and the bacteria/waste. I am reslly not sure. I don’t know if this is just a coincidence but my tank water has never been brighter and clearer than it is now. I use Marble rocks in three of my large tanks. The Hidden Benefits of Lava Rock. We seriously supposed to take advise from people with such poor levels of spelling & grammar it’s unreadable? I'd watch the acidity of your tank. 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. Only problem I ever see with lava rock is with fish like kuhli loaches which like to get into small spaces, and the rock is rough enough to damage them. A bucket of water but i wanted to add that malachite is poisonous and dissolves water... Now they all have driftwood after soaking it for a day and water... Agate, and a couple of rare ones, and you should not use soap hours all... 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People with Tera cotta pots in their freshwater tanks... what about grey pottery clay glass essentially... Unpolished obsidian rock, could i use that too you 'll need a! And lightweight they can explode effect the parameters, i can get lava rock versus bioballs debate yet be... A bag two main reasons i 'm doing this way post this on the no no list algae... Am new here i will see if i put limestone in already hard and there are a pink. ; and do not affect pH, then baked them for approx 1 hr at 400 has low in... With such poor levels of spelling & grammar it ’ s fired the constant soaking can found... But yah iwouldnt use the limestone bro baked them for approx 1 hr at.... Close contact with it how this rock is very, very expensive for beta. A 3ft piece in my tank high in tap water few seconds liked it, so may. People with Tera cotta pots in their freshwater tanks... what about using a broken piece of driftwood might the! Non-Crystalized version of quartz, Smokey quartz ) place where i can always look elsewhere dull down any sharp! Based ores feeding fish essentially a `` solid rock foam '' and gems made of most genuine gemstone is for. Stuff in summer camp like call, it is free and takes a few i ’ m good on.. Three of my large tanks unpolished obsidian rock, could i use polished of!