Uv sterilizer

naish84

New member
Hi need help on algae problem. Does a uv sterilizer help to remove this problem. I have a skimmer running, and 3 fish in my tank. Its a 75 liter tank. The skimmer is a dymax Ls- 50
 
I would not add a UV sterilizer to your tank. They kills indescriminately.

How long has the tank been up?

Water change schedule?

Water source?

Water parameters?
 
it has been running for more then a year now and was running good suddenly went wild with hair algae. I do a water change every week about 10% of the volume. I use tap water and add dechloronator to remove the chlorine and red sea salt. Nitrate and phosphate is slight but its the same as before, when the tank was without algae. In summer temp went up to 32- 34 and lost a 2 fish and 2 corals, since then this problem started. Can it be the living rock died too. This summer i get a chiller.
 
The next thing that you need to buy is an ro/di unit to make your own water. Tap water could very well be the cause of your problems.
 
Well, here's what I see...

1. Tap water. Every get a reading from a TDS meter on your tap water? That may be the problem right there. It may not be that bad, but that combined with your temp. spike may have been enough to let the HA take hold.

2. Temp. spike. Was it just a spike, or is it holding at that temp? Algae loves higher temps.

3. NO3 & PO4. Algae can take up those nutrients very quickly, so you could have high levels of NO3 & PO4, but they test lower because the algae is pulling them out of the water.

In the States we have vending machines that dispense RO water outside of grocery stores. Maybe something to look into. Or a home RO/DI unit would be even better.

I wouldn't worry too much about the live rock, it should be okay.
 
The temp stayed high for a long period during summer time for more then 3 months. So i will get a Ro unit then. What temp should i keep the tank, its 26- 27 at the moment
 
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