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Attacked by more and more brown algae

Joined
27 Apr 2016
Messages
354
Location
Devon
Hi guys

Not had much success this time as third planting attempt of HC Cuba and still not great. Rest of plants were booming but gradually being overrun by brown algae, by sure if Diatoms as not hairy really.

Is there a way to remove this slowly or fast? I assume water changes but lower nutrients means plants will just give in faster won't it?

Noticed a few shrimp dying on and off too which is strange and lost a ember tetra last week after months of them being strong.

4 hours lighting - should I up or down? Dosing flourish as per and carbo too now with algaeway. Got purigen in filter fairly recently in last two months and have a 7l bio filter on this. Return pipe and small pier head and co2 comes on during lighting generally with pale indicator but keeps slowing down as the can gets more and more used so it's nightmare to keep tweaking it up.

Not sure why all of a sudden got so bad with algae as this tank has been running for almost 2 years and never seen it like this before. Would the soil cause this? Or distrusting particles in say the filter or something dumping lots of brown dust and allowing that to grow on? If so can it be reversed?

Not sure if it's down to not stopping it well enough as not sure what's caused it really. Did used to grown on much larger leaves directly under the light but that made more sense before.

Many thanks!
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