+1 for the tunze care magnet. It easily strips off stubborn algae from the glass and makes quick work at the sand bed without worry of scratching the glass. My algaefree tiger stays in the tank for more routine film algae
I have 3 beautiful colonies for sale. Pick up 91355 or I can bring to 90245 during the work week (with full payment).
Here's a top down of another large colony I have (right) for color reference.
I could be wrong but I think the two right drains are the primary drains (the ones with valves). The far left is the emergency overflow so that won't see any water unless the two primary become blocked. Essentially this is bean animal overflow. The middle drain is tuned with the valve to...
Okay so full disclosure. Like Bakbay mentioned, you can get the 5gal jug(16.5kg) on Amazon for $132.99 + tax with free shipping. That comes out to roughly $12/3lbs. Buying 3lbs bags direct from Jorvet is ~$14.52 if buying 10 and $15.19 if buying 20. Interestingly there's a sweet spot at qty...