Information about issues that developed during the COVID-19 school closure during which the tanks were somewhat neglected. Thank you to those who helped identify our algae and pests and suggested remedies.
105 GALLON:
0 Nitrate, Phosphate -
GHA, feather caulerpa, some dictyota, occasional cotton candy algae - Possible vermetid snails
22 GALLON BOOKSHELF: 0 Nitrate, Phosphate - GHA, green turf, dictyota, likely vermetid snails - see next photo for egglike bits all over sandbed and algae - Following pest photos go with this 22g tank.
Close up - turf algae?
Unknown egglike bits - all over sand, hanging in algae. Turns out they are foraminiferans!
Egglike things - beige/light brown, rigid, most less than 1/8" across.
Magnified view of egg things.
On glass. Vermetid? Does not form tube sticking out.
Some tubes look like feather dusters sticking out; some do not, like this one. Vermetid snail?