Feb 14, 2017
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Deals of the Week...
 

Every Tuesday!
 
 
Prices valid Feb 15 - 19, 2017 only!

 
 
Held over!

Zoanthids!



$35 ea

3 for $90


Reds, greens, and blues!  Lots to choose from! We fragged up some larger colonies, so now you can buy 3 different colors for the price of 1!

Reg $69.99-129.99

**  We'll have some up on the website on Thursday!  **


*In-stock & specified items only, no holds unless paid for.
Aquatronica
Aquarium Controllers


Deluxe Touch Screen Kit

Sale $749.99*
 
(Reg $899.99)
Basic Starter Kit

Sale $299.99*

(Reg $359.99)
* In-stock quantities only

PRO TIP!
by Mindy van Leur

 
What is GFO?

GFO stands for Granular Ferric Oxide and is typically used in reef tanks to lower phosphate.  GFO lowers phosphate by binding it as well as some other elements such as silica.  Once GFO has bound phosphate (and other elements) it will not release it.  High phosphate can lead to algae problems as well as dull corals, or even coral death. 

I don't recommend using GFO without testing phosphate because GFO is effective enough to lower phosphate to absolute zero which is damaging for corals.  Optimum phosphate level is 0.01-0.10 ppm, though 0.10-0.15 ppm is acceptable if you are not experiencing algae issues.  Some corals like leathers, mushrooms, and other "softies" may be ok in water up to 1.0 ppm, though you will probably experience slow growth or eventual perishing of the corals/invertebrates, and it will be difficult to add new corals that are used to much cleaner water. 

My preferred method to test phosphate is with a Hanna Checker which accurately reads at a low enough level to be useful, plus it gives you a digital reading rather than you trying to match up colors on a chart.

The binding ability of GFO is very aggressive, and it can lower phosphate very quickly, so you must be careful with it as quick changes are never good in a reef!  Like carbon, GFO should be rinsed before you use it.  The best way is to rinse in RO water.  I recommend starting at about 15 mL (1 tbsp) per 50 gallons and add another 15 mL every week until you have a couple cups in there at which point you can throw it out.  You may use more GFO, just make sure you aren't dropping the phosphate by more than about 0.2 ppm per week. 

You can put GFO in a media bag in the sump or back chamber of the tank, or you can put it in a reactor.  The reactor is the most effective/aggressive way to use it.  If phosphate has been high in your tank for awhile the rocks and sand will have absorbed the phosphate and it may take many weeks for the phosphate to leech out of the rocks and stay at a low level.

Happy reefing!
Mindy

First come, first serve!
 
* Note - In the extremely rare instance where there may be an incorrect date or price listed in this email, Bayside Corals reserves the right to cancel the sale even if the order has been confirmed and your credit card has been charged.
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