I have a 90 gal tank, 6 fish, quite a few more corals than fish. For the past year, I have been doing 10 gal water changes every two, two and a half weeks. The tank is doing good, fish are healthy, but the sand is getting pretty nasty now, and I'm thinking, not just because of the sand but actually because I have read, that maybe I should do a 50% or more water change. I I think those big water changes sometimes can cause more problems than it's worth, especially, if the tank is doing good, but since I haven't done one in over a year, maybe it's time that I do one. Any suggestions?
Water changes, how often, how many gallons etc
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little_fish
Moderator
What do you have for a cuc that deals with sand?
d2mini
Reef enthusiast
Yeah, you either need some good sand stirrers/detritus eaters or you should siphon small sections of sand each time you do a water change. I prefer the former cause I'm lazy. :D
I would normally suggest 10% weekly or 20% biweekly for water changes.
I would normally suggest 10% weekly or 20% biweekly for water changes.
Northstar24
The Tang Herder
Should be doing 10% a week
Sand can get nasty if you don't have critters to keep it clean. Look into Nassarius Snails, and or a Conch of some kind to help keep things clean
Sand can get nasty if you don't have critters to keep it clean. Look into Nassarius Snails, and or a Conch of some kind to help keep things clean
Treezer8
Reefing newb
I do my water changes on my tanks every 12-14 days.
70gallon tank-15 gallons
30gallon tank-5 to 6 gallons
30gallon tank-5 to 6 gallons
each tank is stocked with a bunch of different types of hermits and snails. Except for the 30 gallon tank with my mantis, who kills them all. He doesn't realize that they're just trying to clean his tank =\
70gallon tank-15 gallons
30gallon tank-5 to 6 gallons
30gallon tank-5 to 6 gallons
each tank is stocked with a bunch of different types of hermits and snails. Except for the 30 gallon tank with my mantis, who kills them all. He doesn't realize that they're just trying to clean his tank =\
little_fish
Moderator
Clean up crew, they eat the algae and detritus that accumulates. So you would want a bunch of nass snails to clean the sandbed
AmberSunrise
Reef enthusiast
CUC is clean up crew, snails and crabs and starfishes.
I recommend a sand sifting goby if you have medium to fine sand they cant really do the big chunky substrate though.
I also recommend pointing multiple blowers so that nothing has time to settle.
I do 10 or 15% every week if I skip a week then I do 20% the next time I do it.
I recommend a sand sifting goby if you have medium to fine sand they cant really do the big chunky substrate though.
I also recommend pointing multiple blowers so that nothing has time to settle.
I do 10 or 15% every week if I skip a week then I do 20% the next time I do it.
OSXFreak
Reefing newb
Good Info. I just changed out my water by putting 10 gallons in my 46Gallon tank. I would think that is fine since it's a bit over 20%.
Will test levels in a bit. Thanks for asking and for those that replied. it was helpful.
Chip
Will test levels in a bit. Thanks for asking and for those that replied. it was helpful.
Chip
