hi, have a 75 gal fresh water tank planted with assorted fish.Tank has brrn running about 3 years.Using seachem all the time.Problem is when dose with flourish and excel and also iron soon in about 10 to 15 min a slight haze starts to form.It clears up in about 3,4 days.If i add phosphate next day it gets even worse.What am i doing wrong? please help

Sounds like it's an algea bloom due to the plant food. It getting worse when adding phosphates makes me think so even more.

The fact that it goes away says your plants are wining the battle with the algea. Can't say what will help but I'm sure someone else will have some good input.

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100G->African Cichlids:Kribensis-2,Bumblebee-2,Red Zebra-2,Elec. Yel. Labi.-2, Acei-2, Elec. Blu. Johanni-2,Peacocks-2 / Community: Australian Rainbow-3,Turquoise Rainbow-4,Dalmatian Mollies-2,white molly-1,Dojo Loaches-1/Cleaners:Chinese Algea Eaters-5/Murderers: Dinosaur Bichir-1And lots of other tanks,2-Gourims,6-Rams,1-Arrowanna,6-FW Flounder,1-Farlowella CF, 1-Spiney Eel

Thanks for the post!

Please allow me to ask a few questions in order to troubleshoot the issue further. Have you always used these products and they are just now starting to cause cloudiness when dosed together? How often do you dose the products? Exactly how much of the products are you dosing? What are your parameters (GH, KH, ammonia, nitrite, nitrate, pH, etc)? Do you dose them at exactly the same time? What other chemicals do you add to your tank?

I do apologize for all of the questions, but it will help us to have as much information as possible about your tank. We can then try to figure out what may be going on and how to address the issue. Thank you and we look forward to your reply.

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Have you tried a smaller dose?

yes,been using from day one.Started running into hazy water almost from original start up.water will be clear for several weeks then haze starts to reform.gh5,kh8 ph 7.4 po4 .02 no3 15ppm no2 o ammonia o . normally dose in AM.Recently started using seachem purigen,in about 4 days water was sparkling clear.But about 2 weeks later same problem started. Have following seachem regimen for dosing from seachem print out.I;m using pressurized co2 also.

It sounds like a bacterial bloom. Do you ever add a bacterial supplement to your tank? What type of biological media are you running in your filter? Have you tried splitting up the dosing? Maybe dose one in the AM and one in the PM? Again, sorry for the questions, just trying to figure out what may be going on in the tank.

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That's what I meant bacteria bloom, not alge.

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100G->African Cichlids:Kribensis-2,Bumblebee-2,Red Zebra-2,Elec. Yel. Labi.-2, Acei-2, Elec. Blu. Johanni-2,Peacocks-2 / Community: Australian Rainbow-3,Turquoise Rainbow-4,Dalmatian Mollies-2,white molly-1,Dojo Loaches-1/Cleaners:Chinese Algea Eaters-5/Murderers: Dinosaur Bichir-1And lots of other tanks,2-Gourims,6-Rams,1-Arrowanna,6-FW Flounder,1-Farlowella CF, 1-Spiney Eel