thoughts on introducing your clean up crew...

Raggamuffin

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Lets start this off with the obvious, I am by no means the expert on this, it is just my opinion and has been backed up with 7 years exp. setting up and running multiple tanks... but I am still learning.

I plan on asking the most common questions I see and answering them as simply as I can. so lets get the show on the road and hopefully I can save you a chunk of change on the way that you can use elsewhere.

Q: Do I really need 1 snail and 1 hermit per gallon!?!?!

A: This is an OLD rule, way before skimmers, way before UV filters, it even predates most of the fish and coral that are commonly available today. Because of the lack of quality filtration available they needed much larger clean up crews.


Q: I see clean up crew packs everywhere is this the best way to go?

A: No not really. They tend to go by the old rule and you end up with way to much. They do this mainly because everybody has heard the rule so it is basically believed and that means they can sell you more. There are exceptions and I will explain them shortly when I explain my method.


Q: Snails? hermits? Both?

A: This one is a tough one and you will find people fighting on both sides just about everywhere. Personally I have rarely had a problem with hermits. There are tons of horror stories but I find that it comes down to the particular animal when it comes to destruction. The only constant I have found is that hermits will over a period of time kill your snails to get bigger homes UNLESS like me you make a small pile of empty shells somewhere behind your rock. I will add my suggestions in a bit :)

Q: I need a sand stirring critter and I hear stars are the best. Should I get one?

A: NO! nonononono..... These poor critters are so often pushed off on unsuspecting new folks that I think most LFS's keep a score board in the back. Cucumbers are almost as bad but not quite. Sand sifting stars ARE the best at cleaning the sand bed... they are TO good, they will wipe out the standard 180g tanks sand bed in less than a week then starve and die and make a huge mess. Please do not try these guys unless you truly have a 180+ WITH a deep sand bed and even then it is iffy. Cucumbers are OK with a moderate sand bed (2ish inches) in a 125 in my experience.



My Method: Madness
This is just how I do things it is not a rule, I wont force it on anybody but I have found this leads to the least amount of wastage of money and more importantly lives, with the added bonus of giving you cycle a jump start straight into high gear.

When first starting a tank everybody watches that dang cycle like a hawk and the second "the rules" say it is ready, BAM! fulla fish and clean up crew... :(

I personally have broken "the rules" on every single tank I have ever had, some were disasters, others great success.... I'll share the best of the bunch. I like everybody watch for that ammonia spike like a hawk and after it peaks I start planning.

My general rule of thumb is 1/2 the 1 snail 1 hermit per gallon rule and just go 1 critter per gallon at a rate of 1/4 hermits and 3/4 snails. Of hermits a straight 50-50 split red leg blue leg. Snails 2 algae, 1 detrivore. so the break down ends up looking like:

100g tank
25 hermits (12 or 13 of each red and blue)
75 snails (50 algae eaters of various types, 25 detrivore)

HOW I add them, this is the part that upsets people..
Once ammonia hits less than 0.25ppm I add 1/4 of the total crew ( I normally wait till 0.1ppm) this causes a stutter in the cycle and they do need to be fed if you have gone lights out (there will be no algae).

I wait until nitrItes are just barely detectable like I did for ammonia and add the next 1/4 of the crew.

Next AFTER the cycle has finished and after your first 1 possibly 2 fish are in the tank look around and wait until you see any algae growing or piles of fish food that have hit bottom and not been touched after an hour this may even happen later than the 2nd fish... at this point add the 3rd 1/4 of the clean up crew.

The final 1/4 should be considered upkeep, over the course you will end up losing some critters here and there and these will replenish the numbers, you will end up adding this one close to the end of your fish stocking I am betting. This way I have ended up spending MUCH less on clean up crews, not only that but I don't lose alot due to starvation that is caused by dumping the whole crew into a tank with nothing really growing in it yet.







Well thats my dollar and 36 cents worth for tonight :D
 
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I thought about making a second thread for the rest of clean up additions that people put in the ready made packs but I figure this should do.

Serpent and Brittle stars: My opinion is that these are rarely a needed critter, they are more for having than cleaning. Like sand sifting stars and cucumbers they have a hard time keeping themselves fed and need some target feeding to keep happy and healthy in a smaller tank, less than 125g

Not very efficent cucumbers: It is completely possible to keep the smaller ones happy in a smaller tank, donkey dungs and the like, but again sooner or later tank size depending they will get to big and eat themselves and all your other sand critters out of house and home.

Emerald crabs: They are crabs, keep that in mind. They will eat not just bubble algae but polyps and anything else they can get claws on.... I never risk them.

Lettuce Nudi's : GREAT for cleaning out an outbreak of many types of algae but after it is gone.... back to starving critter :(

Peppermint shrimp: I actually enjoy these guys, they do not exclusivly eat aiptasia, they will take most meaty foods and are cute. They stay small though so keep that in mind if you have big fish, hawkfish, many types of wrasse. Expensive fish food snacks your are buying there!

Fighting Conch: Here is the sand sifter you were looking for! They are great at keeping the sand bed stirred and they do not just hang out in the sand but will come out for food as well. The downside is the bulldozer effect so make sure your rock work is stable.

Urcins of all sorts: Bulldozers, they will move rocks, coral, absolutly anything not cemented down....glue is not strong enough! Over time they will also scratch your glass with bite marks, and after spending 8 hours buffing you will never again think of adding them to an acrylic tank! They will even eat your coraline. Definately super neat critters as well as something I refuse to put in my tank again.
 
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Good post, makes sense to me.

How about nassarius snails? They are great at mixing up the sand bed, come out for food and don't bulldoze anything.
 
+1 with M@!. I also have had good luck with nassarius snails. Raggamuffin what kinds of herbivore and detrivore snails have you used in the past and found best?
 
Sorry I am a night shift worker LOL I don't wake up pre-noon. Nassarius Vibex and Cerith / Dwarf Cerith are my detrivore snails. Nass live under the sand most the time the Cerith's will roam your rock. Keep in mind the Dwarf Cerith's are TIDAL meaning they need to get out of the water once in awhile and will climb to the top of your tank, into your overflow, end up in your sump and fuge, basically be a PITA but they are good at thier job.

Herbivores:
Nerites do a much better job cleaning and cost about the same as Astraea (they look cooler too!). I am not sure why but I love having some Limpets in the tank... always makes me feel like it is more of a reef tank and they are awesome algae munchers to boot! Turbo's never live long for me but I figured out why, my tank is to warm. Turbo's are also the biggest bulldozer of the snail world and second only to urchins in a reef tank.

That being said, I still tend to buy an asst. of algae munchers, Astraea are better at this and that, Turbo's wipe out HA and so on. The bulk of my crew still ends up being Nerites and a handful of Limpets with some Margaritta's tossed in. Turbo's come in as specialty cleaners then go back to the LFS.
 
I can honestly say I have never tried them but they look awesome! I also would like to hear so true experiences with them instead of the copy paste write up on selling sites.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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