Identify. Diatoms or brown algae

chicago

Valuable Member
View Badges
Joined
Apr 28, 2014
Messages
1,602
Reaction score
548
Location
chicago
Rating - 0%
0   0   0
Please help. see attached . I have this same looking growth on all my rocks. Thanks

99CE520A-99FA-4850-A64E-4D5F16401260.jpeg
 
OP
OP
chicago

chicago

Valuable Member
View Badges
Joined
Apr 28, 2014
Messages
1,602
Reaction score
548
Location
chicago
Rating - 0%
0   0   0
Here are actual pics of the growth I am
Looking to identify. Natural sunlight off the sonde. shows it nicely. It is not drowsy due to the sun. Only hits tank for a half hour in mid simmmer. But sure looks nice back to the id. Need some help. See attached.

AD9D3F4A-C9F0-471D-BE54-3C8FD7F6E3F5.png
 
Last edited:
OP
OP
chicago

chicago

Valuable Member
View Badges
Joined
Apr 28, 2014
Messages
1,602
Reaction score
548
Location
chicago
Rating - 0%
0   0   0
Another pic
 

Attachments

  • 21D73141-7DDC-4095-BCCE-3777EE7015F8.jpeg
    21D73141-7DDC-4095-BCCE-3777EE7015F8.jpeg
    102 KB · Views: 22

taricha

5000 Club Member
View Badges
Joined
May 22, 2016
Messages
6,537
Reaction score
10,089
Rating - 0%
0   0   0
is it firmly attached to the rock (GHA)? Or does is blow off in sheets (cyano)?
Weird color combos are often some tiny organism growing attached as epiphytes to GHA.
(those are my first thoughts.)
 

Rock solid aquascape: Does the weight of the rocks in your aquascape matter?

  • The weight of the rocks is a key factor.

    Votes: 10 8.5%
  • The weight of the rocks is one of many factors.

    Votes: 43 36.8%
  • The weight of the rocks is a minor factor.

    Votes: 35 29.9%
  • The weight of the rocks is not a factor.

    Votes: 28 23.9%
  • Other.

    Votes: 1 0.9%
Back
Top