My 75g too much flow for what I plan to stock?

PAXpress · 12/18/2015, 02:42 PM

Hey everyone!
I'll start with a bit of specifics. Tanks been set up for probably a month and a half or two months now. Have two firefish in the tank which have been in there about a week, along with 3 peppermint shrimp which devoured some aiptasia I had in a matter of hours and haven't seen since. Along with a small CUC of 5 red legged hermits 5 astrea snails and 5 nasarius snails. Give or take a snail and crab or two. Can never tell the difference between molt and dead crab! Anyways not important.
I do not have a sump to start with. I have a canister filter which I know isn't recommended. I clean the canister quite often, it has a small amount of bio media and the basic stuff that it came with. I've recently ordered some carbon and gfo in case I decide to use the canister to soak up some nutrients. I realize of course these things can accumulate nitrates and can be harmful however I do a really thorough cleaning weekly sometimes more often to prevent a nitrate factory. I have a remora c hang on skimmer rated for 75 gallon. Seems to collect about half a cup of really wet skimmate daily. I empty its collection cup daily.
For water circulation I have 2 Nano Koralias 425gph pushing water from the back of the tank angled towards the front center of the tank. They are on either side left and right both blowing towards the front center. I also have a Koralia 565 on the left glass wall of the tank blowing across the front glass somewhat pointed towards the surface to perfom some surface agitation. Recently I added a Koralia Evo 1050/1150 on the right glass which replaced a 1560 gph sunsun noisemaker I decided to return. The evo is also pointed towards the surface blowing across the front glass.
This leads me to my question. I have two firefish currently and would like to eventually add a pair of black occelarus clowns. I hear they are not the best swimmers but then I also hear that the ocean is much more reckless and turbulent than we could EVER create in our tanks without overheating them from all the motors running.
Canister 300 gph flow rating
2x 425 koralias
1x 565 koralia
1x 1050/1150 koralia
I wont count the skimmer because the flow created by that is really gentle
calculates to like 38.2x tank turnover.
I know they always say rules of thumbs are guidelines and not strict rules... I just don't want to put something in my tank and see it get swept around like a whirlwind. Will a clownfish pair adapt to high flow conditions? The flow is really high on the top area and lower towards the sand and plenty of places to hide in the rocks where flow would be lower. If you need pictures or a video to help let me know. Thanks everyone.

PAXpress · 12/18/2015, 03:40 PM

Forgot to mention I have over 100lbs of Rock in the tank. Close to around 130lbs.

3dees · 12/18/2015, 03:48 PM

the clowns will find a spot to their liking. many high flow sps tanks have clowns.

PAXpress · 12/18/2015, 04:10 PM

Would it be smart to lower flow when first introducing them to reduce stress?

PatW · 12/18/2015, 07:47 PM

A 38 times turnover is not that much. Think of it, a .1 mph current would come to about a 180 turnover. That is a mild current. Fish are great at tucking behind rocks for shelter. I think that they will be fine. Even the fire fish should do ok.

Marchillo · 12/18/2015, 08:11 PM

I don't think that is too much. I think the Koralias are a tad overrated. I use them and I like the value but I don't think they are as strong as advertised. I think your flow is about right for your tank. I have an mp10 and a koralia 750 on my 40G and I'm very happy with that.

12/18/2015, 02:42 PM	#1
PAXpress Registered Member Join Date: Nov 2015 Posts: 312	My 75g too much flow for what I plan to stock? Hey everyone! I'll start with a bit of specifics. Tanks been set up for probably a month and a half or two months now. Have two firefish in the tank which have been in there about a week, along with 3 peppermint shrimp which devoured some aiptasia I had in a matter of hours and haven't seen since. Along with a small CUC of 5 red legged hermits 5 astrea snails and 5 nasarius snails. Give or take a snail and crab or two. Can never tell the difference between molt and dead crab! Anyways not important. I do not have a sump to start with. I have a canister filter which I know isn't recommended. I clean the canister quite often, it has a small amount of bio media and the basic stuff that it came with. I've recently ordered some carbon and gfo in case I decide to use the canister to soak up some nutrients. I realize of course these things can accumulate nitrates and can be harmful however I do a really thorough cleaning weekly sometimes more often to prevent a nitrate factory. I have a remora c hang on skimmer rated for 75 gallon. Seems to collect about half a cup of really wet skimmate daily. I empty its collection cup daily. For water circulation I have 2 Nano Koralias 425gph pushing water from the back of the tank angled towards the front center of the tank. They are on either side left and right both blowing towards the front center. I also have a Koralia 565 on the left glass wall of the tank blowing across the front glass somewhat pointed towards the surface to perfom some surface agitation. Recently I added a Koralia Evo 1050/1150 on the right glass which replaced a 1560 gph sunsun noisemaker I decided to return. The evo is also pointed towards the surface blowing across the front glass. This leads me to my question. I have two firefish currently and would like to eventually add a pair of black occelarus clowns. I hear they are not the best swimmers but then I also hear that the ocean is much more reckless and turbulent than we could EVER create in our tanks without overheating them from all the motors running. Canister 300 gph flow rating 2x 425 koralias 1x 565 koralia 1x 1050/1150 koralia I wont count the skimmer because the flow created by that is really gentle calculates to like 38.2x tank turnover. I know they always say rules of thumbs are guidelines and not strict rules... I just don't want to put something in my tank and see it get swept around like a whirlwind. Will a clownfish pair adapt to high flow conditions? The flow is really high on the top area and lower towards the sand and plenty of places to hide in the rocks where flow would be lower. If you need pictures or a video to help let me know. Thanks everyone.

12/18/2015, 08:11 PM	#6
Marchillo Registered Member Join Date: Dec 2014 Posts: 1,178	I don't think that is too much. I think the Koralias are a tad overrated. I use them and I like the value but I don't think they are as strong as advertised. I think your flow is about right for your tank. I have an mp10 and a koralia 750 on my 40G and I'm very happy with that. __________________ 80G Frag as DT Proflex Sump Model2 Reef Octopus Skimmer 2xMP10 & 2XR30W Pros I love technology

12/18/2015, 03:40 PM	#2
PAXpress Registered Member Join Date: Nov 2015 Posts: 312	Forgot to mention I have over 100lbs of Rock in the tank. Close to around 130lbs.

12/18/2015, 03:48 PM	#3
3dees Registered Member Join Date: Dec 2005 Location: Chicago burbs Posts: 793	the clowns will find a spot to their liking. many high flow sps tanks have clowns.

12/18/2015, 04:10 PM	#4
PAXpress Registered Member Join Date: Nov 2015 Posts: 312	Would it be smart to lower flow when first introducing them to reduce stress?

12/18/2015, 07:47 PM	#5
PatW Registered Member Join Date: Jan 2013 Posts: 275	A 38 times turnover is not that much. Think of it, a .1 mph current would come to about a 180 turnover. That is a mild current. Fish are great at tucking behind rocks for shelter. I think that they will be fine. Even the fire fish should do ok.