Petrodes Posted July 3, 2006 Share Posted July 3, 2006 Hi all....Does shell grit in canisters, buffer water successfully for tang tanks with no active substrate? What type of shell is more effective? Do the shells in a shellie tank do the same thing effectively? I would really appreciate your comments re these 3 questions. Bless ya ...Peter Link to comment Share on other sites More sharing options...
j.c fishfan Posted July 3, 2006 Share Posted July 3, 2006 well if maybe you put some shell grit and then maybe a layer of wool well then it may work but the only problem is that the shell grit is light and may move in the filter?? HTH jamie Link to comment Share on other sites More sharing options...
sicj Posted July 3, 2006 Share Posted July 3, 2006 I have found that if you buy some crushed coral or coral sand and put it in a stocking and put it in you filter that it helps keep your ph high so in turn you do not have to add as much ph up or salts to your tanks. It also helps maintain your ph level so it does not fluctuate as much which is healthier for the fish aswell. Link to comment Share on other sites More sharing options...
Bijengum Posted July 3, 2006 Share Posted July 3, 2006 I use crushed oyster shells in all my canisters - the large grade. It stays in place OK. Link to comment Share on other sites More sharing options...
hungsta Posted July 3, 2006 Share Posted July 3, 2006 Hi Peter, I agree that shell grit is light and will move in the filter. If you can get your hands on crushed coral or crushed marble chips, that would be effectively. A lot of people use oyster shells like David mentioned. Link to comment Share on other sites More sharing options...
Colfish Posted July 3, 2006 Share Posted July 3, 2006 hi Peter any shells in the system will do the job. but, the little thin snail shells [for shellies] will disolve over time. so the use of a larger grade material in the filter will slow that problem down. don't use anything too fine in the canister, if some of it becomes dislodged it will make short work of the filter and it can also make cleaning the filter very messy. i too prefer the large grade shell, 'Pacific' [after consuming the contents]. give them a quick dunk in boiling water to sterilise [to be safe], break them once and place them in top layer of the canister. cheers; C Link to comment Share on other sites More sharing options...
JamesF Posted July 3, 2006 Share Posted July 3, 2006 You can also buy filter media bags from your LFS, they are like 5 bucks. they should have all different sizes to fit your filter! Link to comment Share on other sites More sharing options...
Petrodes Posted July 4, 2006 Author Share Posted July 4, 2006 Thanks folks for the comments...looks like pacific oyster shells are the go then...after consuming the contents...Peter Link to comment Share on other sites More sharing options...
Nornicle Posted September 25, 2006 Share Posted September 25, 2006 if i were to use shell grit where do you get this from? bird shell grit is really dusty and gross.. Link to comment Share on other sites More sharing options...
BaZ Posted September 25, 2006 Share Posted September 25, 2006 I use crushed oyster shells in all my canisters - the large grade. It stays in place OK. I use the same in my canisters and sumps Link to comment Share on other sites More sharing options...
binda Posted September 25, 2006 Share Posted September 25, 2006 I pick up my shell grit from the beach! This way you get the sizes you want. Link to comment Share on other sites More sharing options...
Skyedge Posted September 25, 2006 Share Posted September 25, 2006 Hi Peter, I put the shell in the stocking and put it inside the tank so no risk to the impeler in the canister filter. hth. Link to comment Share on other sites More sharing options...
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