Did I unlock all the phosphate from 100#s of live rock?

[Keen4]

No that’s not right at all. I wouldNT worry too much, there has been many reports of gross overdosing phosphate with little issue do a water change.

Hopefully a 28% water change will suffice for tonight then another 28% water change tomorrow . Maybe a water change everyday until the po4 goes down?

 

[piranhaman00]

Hopefully a 28% water change will suffice for tonight then another 28% water change tomorrow . Maybe a water change everyday until the po4 goes down?

What size tank? What compelled you to do that?

 

[piranhaman00]

Yea, I had watched the video for it and pulled the trigger before I did price research. Oh well, cheaper than GFO! I just ordered a bottle of Phosphat-E, seems a lot cheaper.
Are you dosing yet??

Everything is set up and I have the Phosban-L , just waiting until I get some free time so I take my time getting the dosing right.

 

[Keen4]

What size tank? What compelled you to do that?

Im dodo brain and totally pulled a misread. I somehow got scatter brained and misread. I didn't realize I was making the solution in which I would then be supplimenting from. 91 gal system. Im doing a water change and running ym Po4 cubes from bright well for now until tomorrow when I can do more water changing. Someone else here is instructing me to dose drops of lithium.

 

[piranhaman00]

Im dodo brain and totally pulled a misread. I somehow got scatter brained and misread. I didn't realize I was making the solution in which I would then be supplimenting from. 91 gal system. Im doing a water change and running ym Po4 cubes from bright well for now until tomorrow when I can do more water changing. Someone else here is instructing me to dose drops of lithium.

What is the tank stocked with? I would hold off on dosing anything else. Do lots of water changes. If you have corals they are probably dont gonna be happy, fish im not sure.

 

[excell007]

Ok so opposed to decreasing po4, I dosed disodium phosphates and just poured the whole 250ml of 3 table spoons into the sump. Now the whole tank is cloudy like milk. Hopefully this won't stress my live stock. How was I supposed to dose it? Slowly? Did I do it right? Should I hav nothing to worry? So confused right now and worried about my livestock. #reefsquad

Wow, I think 1ml of the solution you created can raise phosphate by .38ppm in a 100gallon tank. You can use a 5 micron sock and let your return go thru it, you can then slowly dose LC into the sock to bind some of the phosphate you added. Keep on doing WC since most of that phosphate is on the water.

 

[Keen4]

What is the tank stocked with? I would hold off on dosing anything else. Do lots of water changes. If you have corals they are probably dont gonna be happy, fish im not sure.

Lots of different types of anemones (rock flowers, carpets, btas) and a euphilia garden as well as some zoas and frags of encrusting corals (bizarro and meteor shower) . Two tangs. yellow and vlamingi. two clowns, a damsel, and a mandarin. Tons of snails different types. a random dendrophylia. White Zombie zoas.

 

[excell007]

make sure not to let the LC go back to the tank by using 5 micron or lower sock, otherwise water will be more cloudy. you will be changing sock a lot cause the will clog. quickly.

 

[Daddy-o]

Phosphate tested @ .08 today with the Red Sea Pro test kit. Added 8 drops of LC to dripper. As near as I can figure, 8 drops should remove .033 ppm of phosphate from my reef. Will keep testing and dosing drops as needed at a dose of 1 drop per .01 of phosphate test reading. Also pulled the plug on the reactor. No more GFO (or PhosGuard) for the immed. future, not that they were doing much anyway. All livestock looks good. Have not had any cloudiness.
Cheers! Mark

 

[Daddy-o]

Ok so opposed to decreasing po4, I dosed disodium phosphates and just poured the whole 250ml of 3 table spoons into the sump. Now the whole tank is cloudy like milk. Hopefully this won't stress my live stock. How was I supposed to dose it? Slowly? Did I do it right? Should I hav nothing to worry? So confused right now and worried about my livestock. #reefsquad

Have you measured your phosphate level?

 

[Keen4]

Have you measured your phosphate level?

I got it down to 4ppm!! Im so happy. Phew. Still doing water changes.

 

[Randy Holmes-Farley]

I got it down to 4ppm!! Im so happy. Phew. Still doing water changes.

Water changes are not the best way to reduce phosphate, although this is an unusual situation. A 100% change of 4 ppm phosphate water might still leave 3 ppm phosphate in the water once refilled due to the amount temporarily bound to rock and sand.

 

[excell007]

Water changes are not the best way to reduce phosphate, although this is an unusual situation. A 100% change of 4 ppm phosphate water might still leave 3 ppm phosphate in the water once refilled due to the amount temporarily bound to rock and sand.

@Randy Holmes-Farley
Hi Randy, How fast does phosphate binds to rocks? He overdosed yesterday(morning, I think) and if I calculated it correctly he dosed close to 100ppm if his tank is 100 gallons. My guess is, most of this phosohates are still on the water column that's why he managed to reduce it to 4ppm by yesterday evening doing several water changes. Or is it down to 4ppm because most of this phosphate were already bound to the rock? Thanks

 

[Randy Holmes-Farley]

@Randy Holmes-Farley
Hi Randy, How fast does phosphate binds to rocks? He overdosed yesterday(morning, I think) and if I calculated it correctly he dosed close to 100ppm if his tank is 100 gallons. My guess is, most of this phosohates are still on the water column that's why he managed to reduce it to 4ppm by yesterday evening doing several water changes. Or is it down to 4ppm because most of this phosphate were already bound to the rock? Thanks

It starts immediately and lasts a substantial period as the phosphate works its way into sand and rock pores.

100 ppm is likely over the solubility limit of calcium and magnesium phosphate, so the white he saw was immediate precipitation of such phosphates (and maybe magnesium hydroxide and calcium carbonate too, due to high local pH).

That precipitate, if still suspended in the water as cloudiness will show falsely as free phosphate in a phosphate test which dissolves at least some of that solid material again.

 

[Daddy-o]

Still leaching from the rocks.
Wed. test = .10 - so I added 10 drops
Thurs. test = .11 - so I added 15 drops
Fri. test = .10 - so I added 18 drops
According to manufacturer dosing, 18 drops should bring phosphate down .075 in 200 gallons.
Cheers! Mark

 

[Daddy-o]

Everything is set up and I have the Phosban-L , just waiting until I get some free time so I take my time getting the dosing right.

You dosing yet?

 

[excell007]

my rocks are also not done leaching, 15 years of absorbing phosphate is a lot
I dosed for 8 days straight, between 7.5-10ml, which theoritically should bring it down by .35-.5pmm
but her are the test results:

	PhosphateDKH	Difference
10/15/2020​	1.54​
10/16/2020​	1.44​	0.1​
10/17/2020​	1.22​	0.22​
10/18/2020​	1.1​	0.12​
10/19/2020​	1.16​	-0.06​
10/20/2020​	0.86​	0.3​
10/21/2020​	0.8​	0.06​
10/22/2020​	0.68​	0.12​

 

[Daddy-o]

my rocks are also not done leaching, 15 years of absorbing phosphate is a lot
I dosed for 8 days straight, between 7.5-10ml, which theoritically should bring it down by .35-.5pmm
but her are the test results:

	PhosphateDKH	Difference
10/15/2020​	1.54​
10/16/2020​	1.44​	0.1​
10/17/2020​	1.22​	0.22​
10/18/2020​	1.1​	0.12​
10/19/2020​	1.16​	-0.06​
10/20/2020​	0.86​	0.3​
10/21/2020​	0.8​	0.06​
10/22/2020​	0.68​	0.12​

How many gallons is your reef and which product are you dosing? The .35-.5 is how much each 7.5-10ml dose should bring it down?
Cheers! Mark

 

[excell007]

How many gallons is your reef and which product are you dosing? The .35-.5 is how much each 7.5-10ml dose should bring it down?
Cheers! Mark

Phosphate-x, 5ml/20g to bring down 1ppm, according to instruction.
I have a 90g DT with 20g sump, but with all the rocks the total volume is probably closer to 80g.
I does 2.5ml 3 or 4 times a day into the skimmer, then output goes thru a 10 micron sock, sock will be close to overflowing in 2 days. I test 4-5 hours after the last dose. I skipped 1 day, the 19th, that's when it actually went back up. I plan to skip tomorrow and Sunday.

 

[piranhaman00]

You dosing yet?

Just started today! Dripped 50 mls of the solution into my filter sock which should have lowered PO4 by 1.0ppm. I am going to do this daily for a few days before I test again, I am well over my kits limit of 6.0 ppm