phosphate

I’m curious what is the most PO4 you’ve needed to dose daily. If you’ve ever had a tank drinking it down or currently have one drinking now you’ll know what I’m taking about. I’ve set a personal record with this tank at 0.16 ppm daily and the tank is still drinkin’ like she’s ready for more...

Please share here your preferred method, when it comes to using GFO (Granular Ferric Oxide) . Do you run 24/7, intermittently or never? Leave some details about your system (age of your reef, size of your tank, type of coral, what reactor you run, what you feed, substrate or none) and reason for...

Brand new never used Hanna ULR Phosphate checker with a brand new box of reagent. Asking 65 shipped

Brand new never used Hanna ULR Phosphate checker with a brand new box of reagent. Asking 65 shipped

I tested my marine tank for phosphate using an API Reef Master Test Kit and found a concentration of 0.50 ppm. Curious as to why it was so high, I prepared a gallon of saltwater from Fritz Aquatics Reef Pro Mix and found a concentration of 0.25-0.50 ppm. I tested the RO water from which it was...

Hi everyone, Right now I have high nitrates (around 50ppm) and low phosphates (around 0.1ppm). The phosphates might be a false reading since my tank is now filled with green hair algae (which Ive been trying to remove). I remove them manually when doing water changes weekly, and they still grow...

So, I’m looking for some wisdom… I made my first ever batch of DIY frozen food a couple of weeks ago and my tank looks like crap. I normally dose NOPOX, but this is like algae at another level. My most recent nitrate test was < 5 ppm. Not ideal, but not terrible. My guess is that phosphates have...

Hello fellow saltines, My tank is still young (8 months now) and until about 6 weeks ago I had 0 phosphate and 5ppm nitrate. I started to get some hair algae and instead of just adding some snails I panicked and started doing manual removal by doing daily pulling and siphoning which of course...

I see a trend towards people using lanthanum products to control PO4 these days, however I had a bad experience the one time I tried using Phosphate-E, and never could get a refugium dialed in... So I have stuck to old-school GFO in a reactor... What methods are you currently employing to...

I've had .3 phosphates for a while now and have been using a GFO reactor in a half stocked 7 year old crashed tank I inherited 4 months ago. I'm looking for other less harsh methods of nutrient export other than GFO. I've heard about refugiums and algae scrubbers and their mixed reviews. But...

If you have an open top reactor similar to my Ultra reef reactor and want to use Rowa media then there is no need to rinse the Rowa before putting it in the reactor. I simply put the required amount of Rowa in the reactor and put some filter mat over the top and secure with an elastic band round...

I should start by saying, I do not have all the answers, in fact, I hardly have any. After combing the forums daily for weeks, I realized that there are hundreds(thousands?) of threads concerning GHA. Unfortunately many of these threads have either gone unanswered, or the answers varied greatly...

This is the refresh of my original 3D Printed Test Kit Organizer Tray thread. The first post showcased now-old designs and one had to dig through the thread to find the new stuff, so a new thread was made to clean things up a bit as the old cannot be edited (Old thread will be deleted/closed by...

I am not sure if this is a stupid question or not but ive have noticed my tank has crazy phosphate spikes after every change. maybe stirring the sand up too much or something? The new water always tests 0 phosphate (i am using hanna) but after the water change it can go up to 0.8-1 which...

I recently created a chaeto reactor for my Biocube. The chaeto is just starting to grow and has made me more comfortable feeding my fish and adding more to my tank. I currently have the lighting 12/12hr opposite the lighting of my display tank. It has been so efficient at reducing nutrients that...

I personally use filter floss because it's cheaper than buying new filter socks and maintaining them but I was wondering what Reefers would think.

Hi Had diatoms a while back and they went on there own….. Then cyano came which I’ve been battling for around a month ish….. I used chemi clean first does 24 hours second dose 72 hours….. 99 % of it went just had a very small light pink patch size of a penny…. That was 3 weeks ago when I used...

Are low phosphate levels bad? Will low levels be detrimental to the growth and health of my corals? Does this mean that I should feed more to my fish? I seem to be having turf algae so I tested my phosphate and it was undetectable to .002 on the salifert test. Lowest level. I tested three...

I am a bit confused by the mixed-reef-formula. Are NP PRO and PRO BIO S not sufficient to reduce PO4 to lower than 0,04? Does your mixed reef formula also require constant Phosphate Minus use? Instead of using GFO constantly, can I dose Nitraphos Minus, if NO3 is low, but PO4 is high? Thanks

At Marine Depot, we love to test our systems with Hanna Instruments Checkers. Within this video we provide a quick and easy step-by-step guide on how to use the Hanna Phosphate Checker. Shop our Hanna Instruments offerings HERE and don't hesitate to reach out to our customer care team with any...

One never used Hanna Phosphate Checker (HI713) and 50 tests. $25 plus whatever shipping method you prefer unless Boston area handoff. One barely used Hanna ULR Phosphate Checker (HI774) and 50 tests. $40 plus whatever shipping method you prefer unless Boston area handoff. Payment by Venmo...

Hello guys! This is my first post here. My tank is a couple years old, 300 Litre/80 gallon with a sump. I've lost some control the past year due to university and work, but now I am wanting to get back on top of it all. I lost most of my corals over the course of the year, but I still have 2...

Hi, I currently have a large mixed reef system (around 300 gallons) which is currently being monitored by my apex trident (monitoring pH, salinity, ALK, CA, MG). I am just starting to get into SPS, and therefore want to start monitoring phosphate, nitrite, and nitrate levels more closely. The...

I bought Dr.Tims live nitrifying bacteria online and it was sent to me in just a regular box, not cooled with cool packs or anything. Is that okay to use? I have now put it in the fridge but should it have been sent in the mail with a cool pack or something? I am going to be cycling my tank...

I know this has probably been asked and answered 1000 different ways, so please excuse me if it’s frustrating, I am new to the forum and this is my first post, so I’m not up to fully understanding format here. I have a 225 gallon mixed reef, the tank is less than a year old, it is heavily...