Mine grow slow as well, at least the ones I believe must be females are light eaters/slow growers. Of my thirty gibbs, I've had twenty-four for 1 year and the other six have been in the tank for 4 months. All were 3"-5" when they arrived.
Males growing from 5" to 10-11" in a year is actually pretty impressive I think mate. Having good protein rich foods, lots of room to move around & great water parameters are prob why you have seen such good growth on the males especially. I would be totally stoked to achieve anywhere near those outcomes!
A friend of mine has been running chemipure blue in his 220gal w a group of 9 wild & 6F1 Kigoma fronts and his nitrates have been almost undetectable, even letting his wc schedule go out to 2 weeks. He still does his big water changes at the 2 week mark to remove other metabolites & reduce the bacterial load from the water column. Depending on cost & life-span I may introduce it to my system, especially since I have 10ppm nitrate straight out of the faucet.
With the inclement weather that swept across the northern states of the US the last 24-36 hours planes out of NY today were delayed and some canceled.
The bloke supplying my moba is gonna check in with his contact at SWCargo and let me know if they have caught up enough to risk shipping Wed into Thurs. I’ve waited 3 months, so if there’s any doubts I want to wait until my 3 days off Tues-Thurs next week. This group is too nice & too valuable to rush the most critical part of this purchase.
For now I will keep watching the same video another 50-100 times
Will keep y’all posted