My verdict is in; phosguard vs BRS GFO
. The reactor Carey suggested works better than anyone I have ever had, but had to put a 1800 liter per hour pump on it to get the Phosguard to tumble. Reactor is rated to 2000 liters per hour. GFO
tumbled much easier, at first.
2 weeks with GFO
500ml of GFO
added to reactor. 500 gallon system.
NO measurable P4 reduction, actually went up a bit. ???
Alkalinity crashed damaging a few corals, my bad, but you need to watch out for this.
Within the first week the GFO
was gelling and it took the full output of the pump to keep it tumbling.
And lastly, this is messy stuff. Even the larger grained variety.
Something didn't seem right because I had heard so much good about GFO
. This mirrored my last tests of it two years ago.
Then I bought a liter of phosguard on Amazon and it was a bit more pricey than the GFO
, but not enough to let that be the determining factor. 500ml added to the reactor for 500 gallons of treatment.
The Phosguard tumbles nicely and the coating on it protects it from grinding itself up, so you can really tumble it.
It also changes color dramatically when exhausted, a real plus over guessing GFO
P4 went from 0.40ppm after the GFO
(way too high for my SPS
, target is 0.05ppm via Hanna), to 0.25ppm in 24 hours. This is 0.15ppm per 24 hours. 500 gallons of water. That's pretty impressive to me. I am slowing it down some as I don't want to shock the corals.
No alkalinity hit. Remained stable. Corals all stable.
With those things added up the decision was easy for me. These are just my observations so don't bust my chops about GFO
, I know it works, it just didn't satisfy my needs.
Loss of the last LFS
in my town. This is a sad thing because I like to go in there and talk fish and corals. The only positive thing, and I am grasping at finding anything, is that it brings an end to "spur of the moment" fish purchases. Takes a bit more to order the fish on line and maybe because it isn't swimming there right in front of you, taunting you, it would be easier to make an informed decision about buying the fish.
But the downside of that is I have gotten "spur of the moment" fish I probably wouldn't have bought on line and had a great experience with them.
Dwarf angels, I have 3 in the reef. A 12 year old Coral Beauty, a 5 year old Blue Line Black Tail and a 9 year old Flame Angel. The Flame has gone missing and I fear the worst. The other two angels were never kind to him over the years and I guess one night they had it out with him. I knew 3 of them in a 300 gallon still risked aggression and it did work out for many years, but it caught up with me. It shows the importance of stocking correctly. It really bugs me when I see on TV or hear at the ex-fish store , people selecting fish by color and shape. These aren't flower decorations, it's animals that don't get along in certain cases and mixes. Kind of like mixing lions with sheep, even if the lion is lazy and fat, the sheep will die of stress and maybe one night the lazy lion has a bit of energy and makes the nightmare for the sheep come true.
I do, however choose my coral by color and shape. I am aware of what mixes with what, but I guess I am decorating with coral. My bad.
So the reef will carry on with just two dwarf angels.
Mixing vinegar into the kalkwasser reactor.
This is an interesting test. The idea is that the acetate in vinegar is a better, but less concentrated form of carbon that doesn't grow Cyanobacteria. That's the problem I had with bio beads. But mixing it into the kalkwasser reactor to be dosed provides a couple of interesting benefits. It lets there be more available calcium in the limewater. And it counters the ph a bit as vinegar is a acid and limewater is very alkaline. Will report what happens. I am using very little vinegar at first.
Whew, that was a long post, sorry.